Your system, including the system software as well as the games, are usually automatically updated by the following setting in your systems page
As long as automatic updates are enabled your system will get automatically updated. Some users prefer to update only at night, in that case, set the safe time to when you would like to update your system (your local time).
If you wish, you can also opt-in for our beta program. If you do so you will get updates before everyone else with a little risk as with any beta application.
You will find those settings in the systems tab.
Manual updates
Depending on the update servers an instant update is not always possible, but you can at least trigger the update process right now so that it gets enqueued. Your system will then get updated on the next free update slot.
Health Page
The first and most common option you have is to update your system from the Health page. Click on the yellow Update queued to open a new modal.
And there, on Click to update now. Remember that your update will only start right now if there is a free slot on the update server. Otherwise, the update will then happen as soon as possible.
Systems Page
The second option is to click on Trigger manual update on the systems page. It behaves the same as the Click to update now button on the Health page.