Always scan .zip files from unofficial sources with antivirus software before extracting, especially if they contain .exe or .dll files.
If the file size is small (a few MBs), it likely contains player progress. You would see folders named 000001 - QuickSave containing .sav and .rim files. File: Star Wars - KotOR.zip ...
Most often, a .zip file with this name contains community-created content. The internal structure should include: Always scan
A tslpatcher.exe or an install.exe for automated installation. A ReadMe.txt or Install_Guide.pdf with instructions. An Override folder containing .tga , .mdl , or .2da files. or .2da files.