This often happens if part3.rar didn't download completely. Try deleting it and re-downloading just that specific part.
A .part3.rar file is useless on its own. Multi-part archives (split volumes) require to be in the same folder before you can extract them. Malum-PLAZA.part3.rar
You are likely missing a part (e.g., you have parts 1, 2, and 3, but the set actually goes up to part 4). Check the source to see how many total parts there should be. This often happens if part3
Select or "Extract to Malum-PLAZA/" using WinRAR or 7-Zip . you have parts 1
Once extracted, you will typically find an . You can right-click this ISO in Windows 10/11 and select "Mount" to open it like a virtual disc and run the setup.exe .