Returning To Tropical Fish Keeping

Hi everyone! I'm looking for a little advice/encouragement lol
I am returning to tropical fish keeping after a break of around 2 years, I had friends look after my tank and equipment for me, as I had to move house and couldn't take it with me. They were going to set it up themselves, but didn't get round to it, so stored it for me.
I'm very grateful to them for keeping it for me, but I'm suddenly more than a little nervous to set it all back up! I kept my tank for 4 years, and always got great enjoyment from fish keeping.
My tank is a juwel rio 180 and i have a fluval 305 external filter with 2 heaters and a digital probe thermometer.

Hi Sue, I remember you too!  I have a small tank with 7 golden guppies, 4 neon tetras and 1 clown loach, it's my partners tank and i'm re-homing the fish in my big tank once I've got rid of my nerves enough to set it up! lol Honestly i didn't think I would be this nervous about setting it all back up!
Once its up and running and all settled i want to get a couple more clown loaches and some more neon tetras, after that I think i'll to back to my old fav of a ram, well a pair of rams.