A .rar file is a compressed file format, similar to a .zip file. You will need special software to open it.
Select > Extract Here (or "Extract to..." to choose a folder). Download 7131 X64 rar
If the extracted content contains a setup.exe or install.cmd , right-click it and choose to ensure proper installation. Download 7131 X64 rar
is this 7131 X64 file for? Where did you first see this file mentioned? Download 7131 X64 rar
Knowing this will help me confirm the safest official source.