If creating an ISO sounds too technical, or if you can’t find your old Apple ID, there are legitimate alternatives.
Using tools like or BalenaEtcher is the most common method: Download the DMG/ISO : Get the Lion installer file. mac os lion iso
II. History and Development of Mac OS Lion If creating an ISO sounds too technical, or
If you need an actual ISO file for a virtual machine or a bootable USB for a clean install, you must extract it from the downloaded installer. Apple Support OS X Lion - Technical Specifications - Apple Support mac os lion iso