Steam Survey October:

Windows 94.84% -0.56%

Windows 11 64 bit 63.57% +0.53%

Windows 10 64 bit 31.14% -1.04%

OSX 2.11% +0.20%

Linux 3.05% +0.37%

In other words, for Steam users who waited to switch to Windows 11, half left Windows and most people who left went to Linux.