: Use software like WinRAR , 7-Zip , or The Unarchiver .
: Once the process finishes, you should see a single folder or a large installer file (like an .iso or .exe ) that contains the game data. Underworld.Ascendant.v2.part2.rar
: Right-click on the first part ( part1.rar ) and select "Extract Here" or "Extract to [Folder Name]" . The software will automatically find and join the data from part2.rar and any subsequent parts to reconstruct the original file. : Use software like WinRAR , 7-Zip , or The Unarchiver