: This frequently stands for "English Language" or refers to a specific regional localization.
Select or "Extract to [Folder Name]" using a utility like WinRAR, 7-Zip, or The Unarchiver. GF270622-DIIR-1.3.7040-ELA.part3.rar
Try the "Repair" function in WinRAR if the uploader included recovery records. Based on the naming convention GF270622-DIIR-1.3.7040-ELA : : This frequently stands for "English Language" or
: These often refer to specific internal project codes or release groups. 1.3.7040 : This is the version number. Based on the naming convention GF270622-DIIR-1
The software will automatically pull data from part3.rar and the others to recreate the original file.
Check that all parts (except usually the last one) are exactly the same size. If part3.rar is significantly smaller than part1.rar but isn't the final file, it might be a corrupted download. Extracting the Content Right-click on Part 1 only.
Redownload this specific file ( part3.rar ), as it is likely corrupted.