For those with a PC (not Mac), it helps to create strategic Restore Points. The reason for this is that if something happens to the PC (virus, software issues, sudden PC degradation, etc.), the first thing to do to troubleshoot to restore the latest Restore Point.
The very first Restore Point created should be when receiving a new computer.
Subsequent Restore Points should occur before each and every software/app installation, and before every Microsoft updates.
To create a Restore Point, follow these instructions: https://www.windowscentral.com/how-use-system-restore-windows-10