Ensure you have downloaded every single part of the archive into the exact same folder (e.g., part1.rar , part2.rar , part3.rar , and your part4.rar ). Open the first part: Right-click only on part1.rar .
To handle this file, you must .
Once the extraction finishes, you will be left with a single, large file ending in . ⚠️ Important Notice on Safety and Usage DOOM Eternal (NSP)(Update 1.13).part4.rar