If Part 7 is even 1KB short of the full size, the entire extraction will fail with a "CRC failed" error.
You cannot mix Part 7 from one site with Part 1–6 from another. The encryption and compression signatures won't match.
Once you have all the parts downloaded into the :
The software will automatically "chain" through Part 2, Part 3, and eventually your Part 7 to create the final game folder.
Many of these sites protect files with a password (often the site URL). Look for a "Password" section on the page where you found the links. 4. Safety and Legality