Our software library provides a free download of TCP Optimizer 4.1. Our built-in antivirus checked this download and rated it as virus free. This free program is a product of Speed Guide Inc. The program is included in System Utilities. The latest setup package occupies 668 KB on disk.
From the developer:
The TCP Optimizer is a free Windows program that provides an intuitive interface for tuning and optimizing your Internet connection. 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.
You may want to check out more software, such as Web Optimization Easy Pro, Web Optimization Easy or Registry Optimizer, which might be similar to TCP Optimizer.