Worried about installing macOS Monterey beta on your Mac? Don't want to run macOS as your main system? Run it on an external drive.

With the drive selected, hit next and the software will start to download the Windows 10 installation files and copy them across to your USB drive.

A 4GB flash drive, or 8GB for the 64-bit version. Rufus, a free utility for creating bootable USB drives. Here's how to install the OS from a flash drive: The Windows 10 experience starts here.

So, how do you install disc-based software on a Mac with a dead media drive? I have three solutions for those with another Mac.