Download TCP Optimizer
TCP Optimizer is a free Internet Accelerator that provides features for tuning and optimizing Internet connection. The program can dramatically boost Internet speed by tuning Internet-related settings on your end of the connection.
This Internet Accelerator works with any Internet connection including dialup to leased lines. SG TCP Optimizer supports all Windows versions, and it can improve any Internet speed up to 200%. This is a completely free tool to troubleshoot and optimize internet connections.
You can tweak related TCP/IP parameters in Windows, making it easy to tune the Windows system to the type of Internet connection used. TCP Optimizer tool uses advanced algorithms, and the bandwidth delay product to find the best TCP Window for your specific connection speed.
SpeedGuide created an easy to use Internet Accelerator tuning tool of all related TCP/IP parameters, such as MTU, RWIN, and even advanced ones like QoS and ToS/Diffserv prioritization. Moreover, it's packed with tools to test average latency over multiple hosts, and find the largest packet size (MTU).
SpeedGuide TCP Optimizer is targeted towards broadband internet connections, however, it can be also used to optimize any internet connection type, from dialup to Gigabit+. The software doesn't require installation and you can use it immediately.