Run Setup.exe . When prompted for the serial key, look for a Keygen.exe or a Serial.txt inside the original rar folder.
However, tread carefully. Ensure you have a robust antivirus, use a VPN if you are torrenting the .rar package, and always verify the file size (5-6GB is correct; 200KB is a virus). Pes 2013.rar
You cannot open a .rar file natively in Windows without software. Download WinRAR or the free 7-Zip. Run Setup