Bought my first Steam Deck after seeing the deep discounts on refurbs...what should i know as a first time Steam Deck/PC gamer?

As title says, once Valve announced the OLED deck, I saw the refurbished originals go on a deep discount and figured it was time to buy in. So I ordered a refurb 512GB and I’m so excited for it to arrive! Been in a gaming rut for a long time now and, having never been a PC gamer, I’m look forward to checking out a bunch of...