: Always run an antivirus scan on the folder after you have extracted the final content.
: All parts must have the exact same filename prefix (everything before ".partX") and be stored in the same folder.
: This is often a tag used by specific release groups or individual uploaders, frequently associated with high-definition (4K) video content or specific media packs.
Do you have of this archive, or are you having trouble extracting the files?
: This indicates that the original data was too large for a single file and was split into smaller pieces. You are looking at the 10th piece of that set. How Multi-Part RAR Files Work
: Many of these archives are password-protected. The password is usually provided on the page where you found the download links.