Install Windows on the external drive using WinToUSB. Step 23: Mount the Windows 10 ISO by clicking Virtual Machine in the menu bar and selecting CD/DVD (SATA) → Choose Disk or Disc Image.

In the meantime, you can download, install and test-drive the latest beta, otherwise known as the Windows 10 Technical Preview.In it you'll enjoy a taste of the new Spartan Web browser, Microsoft ...

Skip to “Installing Windows on pre-2015 Macs” or “Install Windows from flash drive or external optical drive,” below. Post-2015 Macs: Install Windows from an ISO file ...

If you just need a simple drive to install a program from a CD-ROM, you can buy an external CD/DVD drive for around $20 from Amazon. Any external optical drive you buy will plug into a USB port on ...

It’s relatively easy to install Windows 7 on a Windows 10 PC, so that you can boot from either operating system. ... If that doesn’t work, you’ll have to buy an external optical drive.