Windows XP TrueFaster V4 represents an era of "OS modding" where enthusiasts tried to squeeze every bit of performance out of limited hardware. While it can be a fun project for a retro PC, it is not a viable operating system for daily use today.

I must advise you to exercise caution when downloading and installing modified operating systems from third-party sources. These versions may:

A command prompt opened. No GUI. No “Next > Next > Finish.” Just text scrolling faster than Leo could read: