Download and install the version matching your system (32-bit or 64-bit). Right-click the file.
Recent updates allow you to right-click the file and select Extract All... without additional software. 7-Zip (Recommended): 1stSeason.7z
"" is a compressed archive file typically containing media files, such as video episodes or soundtracks from a TV series or anime. The .7z extension indicates it was created using 7-Zip , a free, open-source file archiver known for high compression ratios. How to Open and Extract 1stSeason.7z Download and install the version matching your system
A popular free alternative on the App Store that handles more complex or password-protected archives. For Mobile Users 1stSeason.7z
Select > Extract Here (to keep files in the same folder) or Extract to "1stSeason/" (to create a new folder).