Go to Start Settings Update & Security Recovery. Select Get started from the drop-down menu. By following the on-screen directions, you’ll keep your personal data but lose any apps or drivers that were installed after the upgrade, as well as any changes you made to settings.
To install Windows 7, insert the Windows 7 DVD or USB bootable drive into your computer, turn it on, and then press any key at the loader menu. Click Next after setting your preferences for language, time, and so on in Install Windows. Select your settings for language, time, and so on in the bottom-right corner of the window before clicking Repair Your Computer.
If you installed Windows 10, 8.1 using Windows Update, you can return to Windows 7 in a few seconds by choosing the Recovery option from the Settings page. Here are the steps to follow: Go to Settings Update security. Select Recovery Then select Remove my account and remove all related information.
If you use a system that uses UEFI, look for the option to delete or reset your Windows installation. On the Boot tab of System Configuration, check whether the Windows version you want to keep is set as default. Select it and then press “Set as default” next. Next, choose the Windows edition you wish to remove, click Remove, and then Apply or OK.
Open the Taskbar Settings window by searching for it in the search box. Select it from the list of results in the search box. Choose System Storage This PC, then scroll down to Temporary files. Select Remove old versions of Windows and then Remove files from step 5.