To play Deltarune on a 32-bit machine, you cannot use the official executable. Instead, the community has created a .
Players still on 32-bit OSes should either find an older 32-bit compatible version (Chapter 1+2 only, no guarantee for future chapters) or upgrade their operating system to 64-bit. For a seamless experience with upcoming chapters (3 & 4), a 64-bit environment is essential. deltarune 32 bit