You’re gonna be fine. The only slightly tricky bit is the flirc case heatsink pad - I suggest you put it on the case side then drop the board down on it. Be careful taking off the plastic from one side first then mount it and remove the other side…it’s a bit sticky and rather soft and easily torn or damaged, just take it slow.
Here is a YT video but doesn’t show much getting the plastic off the pad but he puts in on the chip - I prefer the way I described it as it’s easier to place and won’t fall off.