If using , select 7-Zip > Extract to "georgian treasures\" or Extract Here .
The .001 extension indicates that this is part 1 of a set. For the extraction to work, you have all subsequent parts in the same folder. georgian treasures.7z.001
If you get a "CRC failed" error, one of the parts (not necessarily .001) is likely corrupted. You may need to re-download the specific part mentioned in the error log. If using , select 7-Zip > Extract to