If you use Windows, it is always a good idea to have a Windows 11 or Windows 10 Bootable USB around ... housekeeping to make space for the second OS. It took around 20 minutes.

Apple today released Mac OS X 10.7 Lion and it is the first release of OS ... Now you can go on to the next step and either create a bootable DVD, or bootable USB drive for installing Lion. Step 3A.