Pc build recommendations

I'am new to pc building all my life i was using an old laptop and wasn't using it for gaming or anything just for college and stuff and now i wanted to build a gaming pc and found a very good new rtx3060ti for a good price and i was wondering what more that you need besides the graphics card and the processor and case sorry those are only things i know please if you have recommendations for the rest of the build and if should i change the graphics card and try to find a better one please say.