Just be sure you have created that all important recovery media and tested it by booting from the Emergency/Recovery media (small 1 to 2 GB Flash drive or CD/DVD media) and verify that you can locate the image backup file on the USB drive. If you have both USB 3.0 and 2.0 ports, if you can’t locate the external USB drive, try an USB 2.0 port.
See the guided steps (Steps #1 to 6 only) in the “Restoring your Image Backup” section of this article and then ‘Cancel’ the operation as there is no need to restore the image just yet, but at least you will know you can boot from the Emergency/Recovery media and locate the backup image in case you need to restore Windows 7 or 8.1.
Windows 10 does have a built in roll back / Restore your previous version of Windows option. It’s valid for 30 days after upgrading to Windows 10 but it doesn’t always work. How to uninstall Windows 10 and restore Windows 7
With the Image Backup you created you can upgrade to Windows 10 knowing that if there are problems you can recover your previous version of Windows at any time.
Page 1: How to create an Image Backup of Windows 7, 8 or 8.1 to an External USB Drive-----> Page 2: How to create Todo Backup’s “Emergency” / Recovery media-----> Page 3: Image backup preliminary information-----> Page 4: Common drive partition arrangements-----> Page 5: Creating an EaseUS Todo image backup, step by step-----> Page 6: Test your Emergency / Recovery media-----> Page 7: How to restore your Image Backup----->