Part 3: If you finally decide you want Windows 7 or Windows 8.1 back on your computer do the following:
Note: Plan to allow yourself enough time to complete the instructions listed below with interruption. Laptop users should also connect to an AC power outlet before you start as this could take an hour or more.
Backup any new data files to external media (USB Flash drive for example) you may have created while using Windows 10 in case they need to be restored after the process has completed.
Start by renaming the original 2 folders (Pair #1) back to their original names which are $Windows~BT and Windows.old
Now you should see the following:
Next click Start/Settings
Update & security
Click on the Recovery option and then click on the ‘Go back to Windows 7 (or 8.1)’ Get started button.
Note: If the ‘Go back to Windows 7 (or 8.1) option is not listed then skip to Part 4 to access the ‘Go Back’ option and continue with the steps listed below.
Part 3b: Select the option that best describes why you are going back. The text box at the bottom is optional, but can provide useful information to Microsoft as to why you don’t want to continue using Windows 10. Click the ‘Next’ button to continue.
Read the warning messages and if you still want to continue click ‘Next’.
Click on the ‘Go Back to Windows’ button to start the actual recovery / roll back process.
Log into Windows 7 or 8.1 using the password you used with 7 or 8.1
After the recovery / rollback process has completed open Windows Explorer (File Explorer in Windows 8.1) and check the contents of the C: partition. You will notice the Windows.old folder has been deleted.
That’s it, you’re done.
You may notice the GWX icon in the right hand side of the taskbar. You can use this to re-install the free version Windows 10 anytime within 1 year from July 29th, 2015.
Part #4: Alternate means of accessing the Roll Back / Go Back to previous version option.
You have two ways of accessing the alternate method; both involve using the Power/Reset option.
A) From within Windows 10 click the ‘Start’ menu, select the ‘Power’ option and the hold down the ‘Shift’ key and click on the ‘Restart’ option.
B) After powering on the computer and before you enter your password click on the ‘Power’ button icon located in the lower right corner of the display, hold down the ‘Shift’ key and then click on the ‘Restart’ option.
Your computer will reboot, choose your account name and password to continue and then you should see the GUI Boot Menu when the computer restarts. Click on the ‘Troubleshoot’ option.
Next click on ‘Advanced options’
Now click on the ‘Go back to Windows 7 / 8.1’ or previous build option. The restoration / roll back process will start by rebooting your computer after which you will be prompted to choose an account (use your Windows 7 account and password if you created a new account while you using Windows 10).
After you enter your password you will have the option to either ‘Go back to previous build’ which will restore Windows 7 or 8.1 or ‘Cancel’ the recovery / roll back and return to Windows 10.