SG TCP Optimizer is essential for improving Internet connection by optimizing TCP/IP parameters for both novice and advanced users. It enhances performance in activities like online gaming, VoIP, and streaming by reducing latency and adjusting settings such as MTU and RWIN. The program is free, easy to use, and widely popular, especially in India, Pakistan, and Bangladesh.
The changes made by the TCP Optimizer are mostly semi-permanent, meaning they will survive system reboots. However, these changes can be affected if you install a new Windows Service pack or update your Network Card drivers. If you need to revert to previous settings, you can use the program’s File menu to Restore Defaults or reset backed-up settings. In extreme cases where you face Internet connectivity issues, the program also allows for resetting TCP/IP and Winsock from its menu.
No, you don’t need to run the TCP Optimizer each time you reboot. Once you apply the related settings in Windows, they stay in the Registry. The changes remain in effect until you decide to make adjustments. You only need to run the program again if you want to modify those settings.
SG TCP Optimizer boosts Internet speed by fine-tuning TCP/IP parameters, reducing latency and improving responsiveness. It maintains stable connections for gaming, VoIP, and streaming media, ensuring a smooth experience. The user-friendly interface allows all skill levels to easily customize settings for optimal performance. Being free and portable, it requires no installation and is compatible with various Windows versions, adapting to diverse bandwidth conditions effectively.
To uninstall SG TCP Optimizer, you simply need to delete the executable file, TCPOptimizer.exe, from your system. The program doesn’t require installation, so it won’t appear in Add/Remove Programs in the Control Panel. If you have backup files with a .spg extension that were created during its use, you can also remove them from its directory. To revert changes made by the program, open the File pull-down menu in the software, and select “Restore Windows Default Settings.” In rare cases, if you’re experiencing TCP/IP corruption, you can use the “Reset Winsock” options while running the program as an administrator.
SG TCP Optimizer is a powerful tool for anyone looking to enhance their Internet connection performance. By fine-tuning essential TCP/IP parameters, it effectively reduces latency and improves overall connection stability, making it ideal for activities like gaming, VoIP, and streaming. With its user-friendly interface, no installation requirements, and compatibility with various Windows versions, it caters to both beginners and advanced users alike. Its widespread popularity and proven effectiveness make SG TCP Optimizer an essential addition for those seeking a faster, more reliable online experience.
Downloads
SG TCP Optimizer
Details:
The TCP Optimizer is a free, easy Windows program that provides an intuitive interface for tuning and optimizing
your Internet connection. There is no installation required, just download and run as administrator.
The program can aid both the novice and the advanced user in tweaking related TCP/IP parameters in Windows,
making it easy to tune your system to the type of Internet connection used. The tool uses advanced algorithms, and the
bandwidth*delay product to find the best TCP Window for your specific connection speed. It provides for easy tuning of
all related TCP/IP parameters, such as MTU, RWIN, and even advanced ones like QoS and ToS/Diffserv prioritization.
The program works with all current versions of Windows, and includes additional tools, such as testing average
latency over multiple hosts, and finding the largest possible packet size (MTU).
The TCP Optimizer is targeted towards broadband internet connections, however it can be helpful with tuning any
internet connection type, from dialup to Gigabit+ 
It is completely free, works with most Windows versions from XP to Windows 11, requires no installation, and has been downloaded over 10 Million times over the years.
If you need help with the program, check the TCP Optimizer documentation,
read our broadband tweaking articles, the Optimizer FAQ,
and/or visit our Forums. The program can be freely (re)distributed, as long as
you give us proper credit as the author, and it is not sold for profit.
TCP Optimizer Download:
TCP Optimizer 4 (latest stable official SG release, works with all current Windows versions)
TCP Optimizer Download Mirrors:
SpeedGuide.net (latest version, recommended)
MajorGeeks.com
Download.com
Softpedia.com
CHIP Online (German) version 4,
GIGA Software (German)
OS: Windows 9x/ME/2K/XP/2000/Vista/7/2008/8/10/22/2012 Server/2019 Server
version: 4.1.1
date: 2021-01-08
file size: 668 KB
Legacy Versions:
TCP Optimizer v. 3.08 (deprecated, supports versions up to Windows 7/2008 Server, does not support Windows 8/10/2012)
TCP Optimizer v. 2.03 (deprecated, unsupported, released 01/06/2006, supports versions up to Windows XP)
TCP Optimizer v. 1.00 (deprecated, unsupported)
Donations:
The TCP Optimizer software is completely free to use and distribute. We do not actively seek donations, however, we can accept and appreciate them.
All donations will be used towards software/site development and server/colocation costs. You can donate via Paypal at
, or Bitcoin at 15m4hb1fqqRh7js92qaYDQJP2YHF6jpQFS
SG Windows 7 / Vista / 2008 Misc Downloads
SG Vista TCP/IP Patch — NOT required if using the TCP Optimizer
Description:
The SG Vista TCP/IP patch us a quick way to optimize Vista TCP/IP settings for broadband internet connections. It sets both netsh auto tunning levels
and modifies the Windows Registry as recommended by our Vista Tweaks article. It is recommended to run the patch when logged in with
administrative priviledges. The patch allows for reverting all settings to their respective Windows default values as well.
Note you may have to right-click the link above and choose «Save Target As…» to save to your computer. To apply, save to your desktop and run as administrator (right-click -> run as administrator). Type Y when prompted to optimize parameters.
OS: Windows Vista 32/64, Server 2008
| version: 1.5
| date: 01/24/2010
| filesize: 4.86KB
ReadyDriver Plus v 1.2
Description:
The ReadyDriver Plus software allows for using unsigned drivers with Vista x64. This version works on both Vista x86 and x64 platforms. The developer, Uhlik, and SpeedGuide.net
are not responsible in whole or in part for any problems that may incur from using ReadyDriver Plus. This software is also available for download directly from Uhlik, as well as Citadel Industries.
OS: Windows Vista 32/64
| version: 1.2
| date: 12/01/2009
| filesize: 518KB
sg_vista_tcpip_limit_patch.zip
Description:
This registry patch changes the limit of half-open TCP connections to 500 (from the default 2-25). Note that this should only be needed pre-Service Pack 2, and a patched tcpip.sys version
is necessary to utilize this tweak, as outlined in our Vista tcpip.sys connection limit article.
OS: Windows Vista 32-bit/64-bit
| version: 1.0
| date: 07/08/2008
| filesize: 1KB
Older Windows 9x Registry Patches
We’ve added the optimal Registry settings for Cable Modems, DSL or any similar broadband Internet connection to the Registry patches below.
Note that if you’re using the TCP Optimizer program, there is no need to apply any of those registry patches, as they modify the same parameters.
You should really experiment with different settings and add them manually or using our TCP Optimizer program above rather than applying generic patches,
however we’ve added them for simplicity, ease of installation and the many requests.
Please make sure you download the patch for your version of Windows, they are slightly different. If you’d rather try editing the Registry yourself, check the
Registry Tweaks section of the site, or use our TCP Optimizer program.
Note: All patches are compressed and downloadable in «zip» format. You might need an utility, such as WinZip or WinRAR to uncompress the downloaded files before installation.
sguide_tweak_9x.zip
Description:
Generic Registry patch for Windows 95/98/98SE/ME (includes a fix for 98SE ICS, as well as
corrected SackOpts location). This is an updated version of our original regstry patch, it’s an .inf file that
tweaks the Registry and adds all the optimum settings for Cable modem, DSL, or any similar broadband connection.
To install, extract the file first, then just right-click (on the .inf filename) and choose «Install» from the
Pull-down menu. You need to reboot for changes to take effect.
OS: Windows 9x/ME
| version: 1.0
| date: 11/23/00
| filesize: 1KB
sguide_tweak_9x_pppoe.zip
Description:
Generic Registry patch for Windows 95/98/98SE/ME and DSL connection using PPPoE. (includes a fix for 98SE ICS, as well as smaller MaxMTU, corrected for PPPoE)
This is an updated version of our original regstry patch, it’s an .inf file that tweaks the Registry and adds all
the optimum settings for Internet connecions using PPPoE. To install, extract the file first, then just right-click (on the .inf filename) and choose «Install» from the
Pull-down menu. You need to reboot for changes to take effect. The PPPoE patch generally applies only to some xDSL connecions,
it is not for use with Cable modems. For additional info on PPPoE check out our Terms & Definitions page.
OS: Windows 9x/ME
| version: 1.0
| date: 11/23/00
| filesize: 1 KB
sguide_default_9x.zip
Description:
A patch that returns all TCP/IP related Registry
entries to the Windows default state. You can use it with Windows 9x/ME.
To install, extract the file first, then right-click (on the .inf filename) and choose
«Install» from the Pull-down menu. You need to reboot for changes to
take effect. If you don’t like the changes all the other patches make, or in case
they have negative effect on your throughput, either restore the Windows registry
to it’s previous state, or use this patch to return to the default Windows TCP/IP
entries.
OS: Windows 9x/ME
| version: 1.0
| date: 11/23/00
| filesize: 1 KB
sguide_tweak_2k.zip
Description:
Generic patch for Windows XP and Windows 2000 (all versions). This patch will optimize
your TCP/IP Registry settings for high speed Internet connections. To install, extract
the .inf file first, then double-click (or right-click on filename and choose install from
the pull-down menu) and reboot for changes to take effect.
OS: Windows 2K/XP/2k3
| version: 1.0
| date: 12/18/01
| filesize: 1 KB
sguide_tweak_2k_pppoe.zip
Description:
Generic patch for Windows XP/2000 and DSL connections using PPPoE. This patch will optimize your TCP/IP Registry settings for high speed
Internet connections. It is specifically designed for PPPoE DSL connections. To install, extract the .inf file first,
then double-click (or right-click on filename and choose install from the pull-down menu)
and reboot for changes to take effect.
OS: Windows 2K/XP/2k3
| version: 1.0
| date: 12/18/01
| filesize: 1 KB
sguide_default_2k.zip
Description:
Patch that reverts the Windows XP / 2000 Registry to its default state regarding TCP/IP, deleting all tweaks.
To install, extract the .inf file first, then double-click (or right-click on filename and choose install from
the pull-down menu) and reboot for changes to take effect.
OS: Windows 2K/XP/2k3
| version: 1.0
| date: 12/18/01
| filesize: 1 KB
winxp_dnscache.zip
Description:
Patch Windows 2k/XP not to cache failed DNS entries.
By default, when a DNS lookup fails (due to temporary DNS problems), Windows still caches the unsuccessful DNS query,
and in turn fails to connect to a host regardless of the fact that the DNS server might be able to handle
your lookup seconds later. This patch fixes the problem by configuring the DNS client to continue sending queries to an unresponsive network.
To install, save to your HD, unzip the .reg file, then double-click the filename.
OS: Windows 2K/XP/2k3
| version: 1.0
| date: 05/14/01
| filesize: 0.5 KB
winxp_dnscache_undo.zip
Description:
Patch to reverse all changes made by winxp_dnscache.reg.
To install, save to your HD, unzip the .inf file, then right-click on the filename and choose «install» from the pull-down menu.
Note: don’t open the file, just right-click on the .inf filename and choose «install».
OS: Windows 2K/XP/2k3
| version: 1.0
| date: 05/14/01
| filesize: 2 KB
Web Patches — faster loading of Web Pages
The following patch increases Web page loading speed, by doubling the number of possible concurrent open
connections. For example, imagine a web page has 20 images and some text — in order for your browser to get
all these files, it opens 2 or 4 concurrent connections, depending on the Web server. Increasing the number
of open connections allows for faster retrieving of the data. Please note that the patch sets some values
outside of the HTML specs. If you decide to install it, backup your Registry first. Changes will take effect
after you reboot. Download the patch appropriate for your OS:
sg_webtweak_9x.zip
Description:
SpeedGuide Web Patch for Windows 95/98/98SE/ME
OS: Windows 9x/ME
| version: 1.0
| date: 12/18/01
| filesize: 1 KB
sg_webtweak_2k.zip
Description:
SpeedGuide Web Patch for Windows 2000/XP
OS: Windows 2K/XP/2k3
| version: 1.0
| date: 12/18/01
| filesize: 1.5 KB
TCP Optimizer
для Windows
SG TCP Optimizer — это бесплатная и простая программа, которая предоставляет интуитивно понятный интерфейс для настройки и оптимизации вашего Интернет-соединения (от модема до кабельного подключения) на максимальное быстродействие. Установка не требуется, просто скачайте и запустите от имени администратора.
Приложение использует продвинутые алгоритмы определения лучших настроек для вашей конкретной скорости соединения.
Программа может помочь как новичку, так и опытному пользователю в настройке всех связанных параметров TCP/IP, таких как MTU, RWIN, QoS, параметры приоритезация ToS/Diffserv и другие. Работает со всеми текущими версиями Windows и включает дополнительные инструменты для проверки средней задержки на нескольких хостах и определения максимально возможного размера пакета (MTU).
ТОП-сегодня раздела «Настройка, оптимизация»
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Отзывы о программе TCP Optimizer
Александр про TCP Optimizer 3.0.8 [21-04-2015]
Для оптимизации и поднятия хорошего настроения: перейдите на более мощного интернет провайдера и купите себе SSD жесткий диск, всё будет ок.
27 | 78 | Ответить
Shuher в ответ Александр про TCP Optimizer 4.1.1 [29-03-2021]
Умничать то мы все горазды.
30 | 24 | Ответить
Олег про TCP Optimizer 3.0.8 [26-05-2014]
Реально увиличивает оператор By Fly,но не надолго ))),просекают и режут
19 | 31 | Ответить
Николай про TCP Optimizer 3.0.8 [12-05-2014]
подключаюсь к интернету через модем в моб.телефоне, который подключён к компу через блютуз — программа моё подключение в упор не видит 
18 | 18 | Ответить
A minecraft server про TCP Optimizer 3.0.8 [11-05-2014]
ГОВНО!!!!!!!!!!!!
31 | 61 | Ответить
cerniklop про TCP Optimizer 3.0.8 [22-02-2014]
настроил как написано в отзывах — ошибка
18 | 26 | Ответить
(1 votes, average: 1.00 out of 5)
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A router has always a lot of functions that may vary on its model and manufacturers. Some have options to control bandwidth especially if you are connected to WAN. Sometimes, Wide Area Network faces critical bandwidth that may hurt user’s business. They can’t browse the web, search queries and even can’t load email inboxes.
In this condition, you can use 3rd party tools to optimize the connection speed with advanced settings. SG TCP Optimizer is a legendary tool that has plenty of features to get maximum downloading speed. Generally, Windows OS will use default settings to handle TCP/IP settings. It does not need any installation and it works like a portable program.
Features of TCP Optimizer:
You can use it to manage any type of internet connection e.g. dial-up, broadband or any other. It offers different techniques to optimize and get maximum bandwidth speed by using QoS, RWIN, MTU and ToS terminologies.
Moreover, you will see the overall settings cover Windows default, current, optimal and custom types. If you are using more than 1 network adapter then it will list all of them. The OS has always its settings depending on security and performance limitations. So by default, you can’t tweak into those functions until you have a smart tool.
This comprehensive tool will change the settings by modifying the Windows Registry keys. Advanced users can take full power by doing the in-depth modification. Please be aware that putting the wrong parameters may impact your system security, especially by using custom values. However, TCP Optimizer is easy-to-use and a smart TCP tweaking tool. Finally, it is the best tool for increasing network speed.
Latest Version: TCP Optimizer
Setup Size: 668 KB
File Title: TCPOptimizer.exe
OS: Windows 11 / Windows 10 / Windows 8 / Windows 7
Developer’s: HomePage / Speed Guide
TCP Optimizer — бесплатная утилита для оптимизации интернет-соединения (как LAN, так и Wireless), не требующая установки и отлично работающая на всех версиях Windows от XP до 11.
Программа может помочь как новичку, так и опытному пользователю в настройке соответствующих параметров TCP/IP в Windows, упрощая настройку вашей системы в соответствии с типом используемого подключения к интернету. Алгоритм обеспечивает простую настройку всех связанных параметров TCP/IP, таких как MTU, RWIN, и даже расширенных параметров, вроде приоритизации QoS и ToS/Diffserv.
Для наглядности советую вам перед проведением следующих манипуляций зайти на Для просмотра ссылки Войди или Зарегистрируйся и замерить ваши дефолтные показатели.
Замерили? Тогда приступим.
1. Обновляем драйвер сетевого адаптера.
Да, банально, но лишним точно не будет:
Для просмотра ссылки Войди или Зарегистрируйся.
Для просмотра ссылки Войди или Зарегистрируйся.
2. Ставим и настраиваем TCP Optimizer.
2.1. Качаем программку по Для просмотра ссылки Войди или Зарегистрируйся и запускаем от имени администратора.
2.2. В самом низу параметр
Choose settings выбираем Custom, выставляем остальные значения в точности по скрину (проверено годами) и не забываем поставить галочку Modify All Network Adapters.
2.3. Жмем
Apply changes. Во всплывашке — OK. По выполнению программа предложит перезагрузить компьютер — отказываемся, еще успеем.
2.4. Сверху открываем вкладку Advanced Settings, также ставим Custom и также выставляем все значения по скрину.
2.5. Жмем Apply changes. Во всплывашке — OK. От предложения перезагрузиться отказываемся.
3. Настраиваем сам сетевой адаптер.
3.1. Жмем Пуск, вводим Просмотр сетевых подключений, открываем.
3.2. ПКМ по вашему адаптеру — Свойства. В открывшемся окне жмем на кнопку Настроить. Выбираем вкладку Дополнительно.
3.3. Отключаем все энергосберегающие функции, а именно:
Power Saving Mode.
Зеленый Ethernet.
Энергосберегающий Ethernet.
3.4. Жмем ОК и переходим во вкладку Управление электропитанием.
3.5. Убираем галочку Разрешить отключение этого устройства для экономии энергии.
3.6. Максимально смело жмем ОК и переходим к следующему шагу.
4. Редактируем групповую политику.
4.1. Жмем комбинацию Win+R, вписываем gpedit.msc и тыкаем на ОК.
4.2. Идем по следующему пути:
Конфигурация компьютера ->
Административные шаблоны ->
Сеть ->
Планировщик пакетов QoS ->
4.3. Открываем параметр Ограничить резервируемую пропускную способность.
4.4. Включаем параметр и выставляем процент ограничения равным 0.
4.5. Применяем, жмем ОК и подбираемся к последнему пункту.
5. Очищаем кэш DNS.
Для этого нужно лишь открыть командную строку от имени администратора и вписать поочередно следующие команды:
ipconfig /flushdns
ipconfig /registerdns
ipconfig /release
ipconfig /renew
netsh winsock reset
И вот теперь, после всех манипуляций мы наконец перезагружаем компьютер, вновь заходим на Для просмотра ссылки Войди или Зарегистрируйся и сравниваем скорость загрузки/выгрузки и пинг с предыдущими показаниями.
Надеюсь, статейка была вам полезна