Because this is a specific file name rather than a widely documented software product, the exact "content" depends on the source it was downloaded from. However, based on common naming conventions for such archives, it likely contains one of the following:
: Use a utility like WinRAR or 7-Zip to open the .rar file. MultiPack Selected 022023.rar
: Most "Selected" packs include a text file outlining usage rights or installation instructions. Because this is a specific file name rather