The hardest things to learn for those new to Linux but used to Windows is:
1.] This is Linux, not Windows. They aren't the same thing. They just look similar on the surface.
2.] You have to unlearn Windows. You don't point and click to install things in Linux.
3.] You don't have to worry to much about hackers, viruses, trojans or spyware anymore.
It doesn't look like you're to opposed to learning which is an extremely good sign.
I'm just sitting here with a mental image of a windows script kiddy pounding away on the keyboard of a Linux box trying to do harm with code and scratching his head.
Actually I'm about to bust a rib laffing about it.