Go to the official RPCS3 website and download version 1.1.6 (check the "Release" or "Builds" archive). Avoid third-party "all-in-one" installers that contain malware.
The number one frustration for new emulator users is the initial setup. With the standard method, you have to download a 200MB PUP file from Sony, decrypt it, and install it manually. The Itis BIOS package comes pre-verified. You simply drop the folder into the dev_flash directory, and v1.1.6 recognizes it instantly. ps3 emulator 116 with itis bios better
The BIOS files themselves are copyrighted by Sony. However, the "Itis" compilation is a configuration pack. Legally, you must dump your own BIOS from your PS3. In practice, most users download the preset for convenience. Go to the official RPCS3 website and download version 1