A:AnswerAs a pre-built, ready to run system the thermal paste is already installed.
If the thermal paste was not applied/installed then the system would almost instantly overheat and shutdown to protect itself.
A:AnswerWell I recently bought this pc, I will say it is worth it only if your willing to play almost every game at 100-200 fps depending on the game, It can run almost every modern game but some it runs bad because you know some require a 8gb gpu for better running, depending on whatever game your trying to run it should do its job.
A:Answeryes you can they have a program called "Aura Creator" which is a program that comes pre-installed in your software which allows you to play around with the rgb