: The .001 extension indicates this is Volume 1. To extract the contents, you must have all subsequent parts (e.g., .002 , .003 ) in the same folder.
: If prompted for a password, you will need the specific key provided by the original uploader. SS-Tas-015_s.7z.001
Do you have the (like .002) saved in the same folder? Do you have the (like
7zip file with numbers on it like 001 means that you only have a part file of the whole compressed file. Microsoft Learn This naming convention is common for large files
The file is the first part of a split compressed archive. This naming convention is common for large files that have been divided into smaller chunks for easier sharing, downloading, or storage. What This File Is
You can use 7-Zip on any computer, including a computer in a commercial organization. You don't need to register or pay for 7-Zip. How to Extract .7z.001 files - Microsoft Q&A