Patience, and knowing when to look for documentation. Keep notes of stuff as you go. Just like in real IT, documentation can go a long way. Forgetting simple things can cause everything to fall apart at some point.
Millennials probably the last generation that will remember (vaguely at least) things like vcr's, cassette/cd-dvd and floppy disks. Millennials were positioned in an in-between time of rapid tech advancement.
Not too mention the scary browser warnings. It's not a good look tbh if this is your portfolio. Lots of great considerations and tips here already though.
What app is this?!