Learn how to reset your computer and system in Windows 10. Windows 10 makes it easy for you to reset your entire system and remove all your personal files, apps, and custom settings from the Settings menu.
Steps

Step 1. Open your Start menu
Click on the Windows icon

at the bottom left of your screen to open this menu.

Step 2. Click Settings from the Start menu
This option is next to the gear and lets you open the settings menu in a new window.

Step 3. Click the Update & Security option
This option in the settings menu looks like a rotating blue arrow.

Step 4. Click on Recovery on the left bar
Your update and security options are listed in the navigation menu on the left of the window. Click on Recovery which is in this bar.

Step 5. Click the Start button
It can be found under the Reset this PC heading and will allow you to reinstall the Windows operating system on your computer and reboot your entire system.

Step 6. Click Remove All
By clicking on it, you will delete all your personal files, applications, settings without keeping a backup.
- If you want to keep your personal data, choose Keep my files. This option allows you to delete all your applications and your settings while making a backup to recover your files (your photos, music and your documents).

Step 7. Click Remove Files and Clean Drive
This will allow you to delete everything on your computer to perform a deep reset of your computer.
- If you are in a hurry, you can click on Simply delete my files in this window. Keep in mind that this option is less secure and not all data on your hard drive will be deleted.

Step 8. Click Next on the Warning window
Your reset choice will then be confirmed and it will launch on the next page.

Step 9. Click the Reset button
This button is located in the Ready to reset this PC window. Your computer will automatically restart and the reset process will begin.
Your computer will then reinstall the Windows 10 operating system to format your entire system

Step 10. Wait for the reset to complete
Depending on the size of your hard drive, your files, and your computer's processing power, this could take anywhere from a few minutes to a few hours.
When the reset is complete, you will see Choose an option on the screen

Step 11. Click the Continue button on the Choose an Option page
You will advance to Windows 10. You can now start using your newly formatted computer!