Follow these steps to check for Windows update on your main Operating System
Click on the Start menu and selectSettings.
Click on Update & security.
Click on Check for updates.
The process initially downloads the Microsoft update, please note that the status shows “Downloading – ” and a progress shown in a percentage until it reaches 100%. Then, the update gets installed and will show the status as ” Installing -” until it reaches 100%.
When Windows finished updating, you will get that your system is up to date.