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4. How does the TCP Optimizer work ?

Many network settings in Windows (especially XP/2k/9x versions) are configured for dialup (low speed) or Ethernet (low latency) devices. With today's high-speed Internenet connections, this oversight hampers the performance of your Internet connection as much as 200%.

In essence, optimizing Windows TCP/IP settings removes the bottleneck caused by your OS to internet connectivity, allowing for better utilization of all available bandwidth provided by your ISP.

The SG TCP Optimizer is a tool that optimizes your Windows network/Internet settings, resulting in up to 200% speed boost. It is completely free, legal and recommended by ISPs as well !


  User Reviews/Comments:
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by anonymous - 2007-11-23 19:25
It's amazing: on my PC with ADSL2+ connection, before tuning with TCP optimizer, I only got less than 90KB/s speed when test with the ISP's test mirror. Now I get 600+KB/s.
by anonymous - 2008-04-10 23:29
Qwest worked for 3 and a half days trying to correct my slow download speed. With 3M service I was pulling 900Kbps. They gave up and my son in law told me to try the optimizer. I'm now pulling 2300 to 2400 Kbps consistenly. What a difference.
by chunk1982 - 2009-05-12 20:39
im on the virgin media 50mb but was only getting 2.3MB physical download then heard about this so downloaded n run it now im getting 5.87MB physical download speed! Thank wot so much speedguide ;)
by anonymous - 2009-09-15 14:08
Thanks for this optimizer, my connection already run like rabit, before that run like turtle
by anonymous - 2009-11-12 09:28
I need to know if this optimizer works on Windows 7
by Philip - 2009-11-13 09:50
Not currently. You can use the Vista TCP/IP patch from our download page for Vista, Server 2008 and Windows 7: http://www.speedguide.net/downloads.php#vista
by desikid - 2010-10-30 15:35
did not work for me.... no change in my BB speed....
by Philip - 2010-11-02 09:13
Just an update to mention versions 3.x of the TCP Optimizer work with Vista/Windows 7/Server 2008 as well.
by anonymous - 2011-01-09 16:07
I'm using it and it works perfectly. But I just wanted to know how it really works, it opens anything censored by the ISP with keeping the real IP address. It's not a proxy as all proxy detectors return false. so how does this thing work? and does it ensure privacy as our ISPs in Tunisia record and spy our internet browsing. Thanks for that great tool! and I hope you keep moving forward!
by anonymous - 2011-01-23 02:17
hi!

i think mine is not working.... still same speed at 50-60 kb/s. can anyone help pls. or help for the other settings... thank you..! any help is appreciated..
by Philip - 2011-01-23 13:04
Please use our forum for help with the program or specific settings.
by zafar - 2012-01-23 04:08
hey any plz send me fill info for how can i use tcp Optimizer..........plz help......
by carloelopre - 2012-02-13 12:00
Im using broadband connection. Can i use your TCP Optimizer 3.xx on Windows 7 OS? or do i simply run the SG Vista TCP/IP Patch? Thanks...
by Philip - 2012-02-14 18:23
Yes, the TCP Optimizer 3.x works with Windows 7/Vista as well. You don't need to use the patches if you use the Optimizer.
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