: The .part1.rar extension means this is a "split archive." You cannot extract the files using only this part; you need all subsequent parts (part2, part3, etc.) in the same folder to open it. How to use it
This filename likely refers to a digital archive for a specific game mod or creative project, specifically version 1.13. Exploring sc25149-THOTDRv113.part1.rar sc25149-THOTDRv113.part1.rar
: Ensure you have downloaded the entire set of RAR files. you need all subsequent parts (part2