We ran Photoshop 7 on two identical modern computers (Intel i7-13700K, 32GB DDR5, RTX 4060) – one running Windows 11, one running Windows XP on virtual machine.
Open regedit and navigate to: HKEY_CURRENT_USER\Software\Adobe\Photoshop\7.0 Create a new DWORD (32-bit) value called OverridePhysicalMemoryMB and set it to 2048 (decimal). This tricks PS7 into seeing only 2GB of RAM, avoiding crashes on 32GB+ systems. photoshop 7 windows 11 new