Use a tool like 7-Zip or WinRAR . Right-click the file and select "Extract Here." This will turn the highly compressed file back into a usable .iso or .bin file. Choose Your Platform:
Regardless of the emulator, you will need a PS2 BIOS file to "boot" the games legally. ps2 iso highly compressed google drive link
Once you find a reliable Google Drive link and download your file (usually in .rar , .7z , or .zip format), follow these steps to get playing: Use a tool like 7-Zip or WinRAR