While 4GB is the minimum, 16GB of RAM or more is recommended for high-load or graphics-intensive tasks.
Parallels Desktop 18 was a milestone release specifically optimized for the transition to (M1 and M2 chips). The .dmg file is the standard Apple Disk Image used to distribute the application. Version: 18.0.2 Build: 53077 Release Date: October 2022 ParallelsDesktop-18.0.2-53077.dmg
Users may occasionally encounter critical errors reading or writing to the virtual hard disk if the virtual machine bundle is stored on corrupted sectors. Current Status While 4GB is the minimum, 16GB of RAM