Via emulator key mapping, yes — even better than touch controls.
If you experience lag, set the game to "Low" quality in the menu. This significantly boosts FPS on older graphics cards. Granny 3 Pc Download Windows 7
Windows 7 is an older operating system. If the emulator crashes, update your graphics drivers to the latest version compatible with your GPU. Emulators require OpenGL support which may be missing on older drivers. Via emulator key mapping, yes — even better
but lost the installer:
Granny 3 is available on Steam (by DVloper). You can purchase and download it legally. Via emulator key mapping