The search for "bios ps3 emulator 11 7 download exclusive" leads down a dangerous path. The legitimate path to PS3 emulation is through RPCS3, the official Sony firmware, and your own legally acquired game collection.
Go to rpcs3.net and download the latest build for your operating system (Windows, Linux, or macOS).
Unlike older consoles like the PlayStation 1 or PlayStation 2, modern PS3 emulators do not require a separate, leaked "BIOS" file to run.
Do you have your games in or as extracted folders ? What are your PC's hardware specifications (CPU and GPU)?