Thoughts?

Building new pc after a long time and just wondering is the mobo straightforward to assemble and do I need to buy some wires etc.? Is thermal paste included in cpu? Parts: i9 12900k Thermalright phantom spirit 120 se MSI PRO Z-790-P Corsair vengeance 2x32GB 3080ti Fractal r6 Corsair 1000w psu + hard drives