How to delete a Windows Restore Point

Step 1: Go to the search bar and type Create a restore point. Then, click on the utility that pops up.

Step 2: In the system Properties window, under the System Protection tab, select the drive with protection, and click the Configure button.

Step 3: On the next prompt, click the Delete button.

Step 4: Click Continue.

Step 5: You should see a prompt confirming that the restore points are deleted.

Credit : https://www.computerhope.com/issues/ch002029.htm