You need the official PS3 System Software. Sony distributes this for free.
To install the PS3 emulator, follow these steps: Download Bios.ps3.emulator.v.1.1.7.zip
The file Bios.ps3.emulator.v.1.1.7.zip is a well-known hoax and does not contain legitimate BIOS files for a PlayStation 3 emulator. If you are looking to emulate PS3 games on your PC, you should use the industry-standard emulator, RPCS3, which does not require a "BIOS zip" from third-party sites. The Truth About PS3 BIOS Downloads You need the official PS3 System Software
