Apple only sells OS X Mountain Lion as a digital download in the Mac App Store. The installer weighs in at a hefty 4.05GB, but the good news is that you can install your copy of Mountain Lion on all ...

Installing an operating system needs an essential component, which is a bootable USB drive. You can plug it into any system with a compatible BIOS/UEFI and boot from it. It's a common practice ever ...

There are a bunch of tools that let you load an operating system onto a USB flash drive, allowing you to boot from that drive and either run or install the OS. But most of those tools are only ...