I have taught myself how to work with the Adobe suite. However, there probably is a lot of information still to learn. So I decided to start an online course by Yes I'm a designer. In the first week, you learn some basics. Not really that much new information for me, but I did learn some new shortcuts.
The end project of this week was to make a poster with some images we edited first. The following poster is the one I made following the video:
Then I started to play around with the elements a bit. This resulted in a cleaner version of the poster, as you can see below: