Always use (DSP) rather than Windows spooler drivers.
CodeSoft 2015 uses GDI (not DirectX). Windows 11’s new WDDM 3.0 driver model can slow down legacy GDI rendering. codesoft 2015 windows 11 top
Windows 11 introduced significant under-the-hood changes compared to Windows 7 or XP (the original targets for CodeSoft 2015). Here are the three hurdles you will face: Always use (DSP) rather than Windows spooler drivers