What memory and CPU cooling upgrades would you recommend me?

[Solvum]

Hi! I'm looking for some advice on upgrading my memory and CPU cooling on this used PC I recently purchased. https://pcpartpicker.com/user/Solvum/saved/XLMqHx

 

[Why_Me]

Hi! I'm looking for some advice on upgrading my memory and CPU cooling on this used PC I recently purchased. https://pcpartpicker.com/user/Solvum/saved/XLMqHx

Not many cpu cooler choices tmk for that case as it has a cpu cooler height limit of 130mm.