For , using a "repack" from unofficial sources like Google Drive can be risky. A safer, more reliable method is to create your own ISO directly from Apple's official installer or use verified archival sources. 1. Official Download Methods
Create a 14GB temporary image ( hdiutil create... ) and mount it ( hdiutil attach... ). macos big sur 1101 20b29iso google drive repack
Many Google Drive repacks are: