File: Com3d2_en.7z.012 ... Online

7-Zip will automatically recognize parts .002 through .012 and combine them during the extraction process.

While 7-Zip is standard, WinRAR can also handle split .7z files. File: COM3D2_EN.7z.012 ...

If one part didn't download completely, you will get an error. You may need to redownload the specific part mentioned in the error message. Missing Part: All 12+ parts must be present. 7-Zip will automatically recognize parts

It is highly recommended to use 7-Zip to handle this archive. Extract the First Part: Right-click COM3D2_EN.7z.001 . File: COM3D2_EN.7z.012 ...