While emulators are legal, downloading BIOS files and game ROMs/ISOs from the internet violates copyright laws in many jurisdictions. The safest and most legal method to get these files is to dump the BIOS from your own physical PlayStation console and rip copies of games from discs you personally own.
Press F4 to toggle the frame limiter, allowing you to skip unskippable cutscenes or grind through RPG battles at 300% speed. epsxe 205 ultimate pack all bios and plugins