Right-click the first file ( part1.rar or .001 ) using an extraction tool like 7-Zip or WinRAR.
You will see a list of the PKG files stored on your USB drive. Select the game you want to install and press the button.
Follow these steps to safely transfer and install your archived files. Step 1: Extract the Archive Download all parts of the game archive to your PC.
This is the most common method for large game archives. You do not want to transfer 50GB wirelessly if you don't have to.