While primarily a PS4 emulator, its development often overlaps with general PlayStation system architecture research necessary for future PS5 support. Warning: Fake Emulators and Malware
To future-proof your rig for when the first working emulators drop, you will likely need:
An open-source project from the developers of the renowned RPCS3 (PS3 emulator). It currently runs through the Windows Subsystem for Linux (WSL) and can boot the PS5's safe mode or run certain PS4 games using PS5 system firmware.
Until then, keep your drivers updated, your antivirus active, and your expectations realistic.
Emulation itself is legal. The 1980s and 90s court cases (Sony vs. Bleem! and Connectix) set a precedent:
If you just want the vibe of owning a PS5 without the $500 price tag, you can check out: