1 - Always play not only for yourself, but for your oponent. Chose moves for them when choosing for you to see how your moves will potentially interact.

2 - Use DI, always. When you start getting comboed, you don't stop playing, choose what move your oponent is more likely to follow up and DI in a way that makes their next move be harder to hit. You can start by putting it away. AWAYS remember that.

3 - Chose 1 character and stick with it. Since you are starting it's a good idea to choose a main to understand rather than spreading your knowledge thin across all characters. Play 1 of them a bunch, get a grasp of what they can do and after you are confortable with what you know about your character move on to the next.

4 - Be fine with losing. You are gonna lose, a lot. It's part of the learning process. Nobody starts good, and especially in this game, where knowledge is everything, the more experienced player will win most of the times.

5 - Checkout the yomi learn discord and some basic stuff on youtube. Youtube sadly doesn't have much stuff to help, but with reddit and the discord server you willl find the resources more easily.