The Download File Size of Friday Night Funkin Game for Windows(32bit) is 139MB and Windows(64bit) is 140MB. There is very little difference in the size of the FNF game for Windows 32bit and Windows 64bit. The Installer Size of Friday Night Funkin MAC is also 140 MB. The FNF Installer size for Linux is around 144 MB. The installer size is high because Linux is different from all other Operating systems.