In the console go to Home > Patch Management.
Start with Windows > Settings > Remediation, then Installation and Restart then Metadata Import task.
Then check the "Run System Assessment Scan" settings.
Then you'll need to wait until the patch metadata downloads before you can go to "Bulletins and Updates" and right click on each bulletin and select "Distribute packages" to get a wizard where you can select which updates you want to distribute and a Target. There are quite a few good KB articles.