: You only need to right-click on the part1.rar file and select "Extract Here" (using software like WinRAR or 7-Zip ). The software will automatically find the subsequent parts and join them back into the original game installer or folder. Safety and Legitimacy Warnings
This is a . When large games like LEGO Star Wars: The Skywalker Saga (which can exceed 30GB-40GB) are shared or stored, they are often split into multiple smaller "parts" to make downloading easier and to stay within file size limits of hosting services.
: This indicates it is the first segment of a multi-part archive. You cannot access the full game or its contents with just this single file. How to use it
Do you have of the archive, or are you seeing an error message when trying to open this one?