TweakMASTER 3.0 has been tested with the pre-release version of Windows 7 and is fully compatible with it. In fact, TweakMASTER contains several optimizations specifically tuned for Windows 7 networking stack. All versions of Windows 7 are fully supported.
TweakMASTER 2.5 and later is fully supported on Windows Vista. It is fully aware of UAC and other Vista-specific technologies, and functions correctly under low-privilege user account.
Although TweakMASTER itself is 32-bit program, it functions correctly under 64-bit operating system. Any Windows version from XP to Windows 7 is fully supported as 64-bit OS.
Windows 2000 and XP are supported operating systems. TweakMASTER optimizations are very effective on Windows 2000 and XP.
TweakMASTER has been tested and is fully compatible with Windows Server 2003 and Windows Server 2008, all releases, including 2008 R2.
Windows 95, 98 and ME are no longer supported. You cannot install TweakMASTER on any of these older operating systems.