Because .zip files themselves are not executable, you generally cannot "run" them like a program. Follow these steps to install the contents: How do I install software downloaded in a Zip file?

The file is a compressed archive commonly used for distributing a collection of custom digital assets—often for gaming or creative software. While specific details on this exact filename are sparse in public documentation, the "(INSTALL)" tag and ".zip" extension indicate it is a package that must be extracted and manually placed or imported into a target application. Likely Contents and Uses

: There is a popular "Ultimate Backup" (ULT) plugin for GTA 5. A "Rock Pack" in this context might refer to custom radio stations, sound files, or regional environmental textures.