SAS 9.1.3 is legacy software originally designed for 32-bit environments. On modern 64-bit Windows systems (x64), the 32-bit version of SAS 9.1.3 Foundation is compatible but runs through a 32-bit emulation layer (WoW64).
Adjust MEMSIZE based on your RAM.
Even with a high-quality build, Windows 11 security features can interfere. Here is your checklist: sas 91 3 portable 64 bit high quality