DxWnd
sourceforge.net
Download DxWnd for free. Window hooker to run fullscreen programs in window and much more... Windows hooker - intercepts system calls to make Win32 programs run in a window, to enhance application compatibility, to enhance video modes, to stretch timing and emulate CD disk data and audio tracks. It is typically very useful to run old Windows games.

cross-posted from: https://programming.dev/post/58318406

Extremely useful for games that only run in full screen. There are many tweaks you can apply to them, such as hooking XInput or mapping a X360 controller to specific keys, force screen size and several other things