Several good entry points. Try at least one. I personally recommend you don’t start with the Rincewind books. Watch, Witches, Death, all good places to start.
By Krzysztof Kietzman, Jakov Olekstein, Diana Nock and others - Discworld Reading Order Guide, CC BY-SA 4.0, File:Discworld Reading Order Guide 3.0 (cropped).jpg - Wikimedia Commons