Step by step instuctions on how install the be quiet! Dark Rock Pro 4 CPU cooler on the AM4 socket using the B550 Tomahawk motherboard. This video is part of a full step by step PC build guide for beginners which can be seen at https://youtu.be/Yy5nLwN-ocI Links to Dark Rock Pro 4 CPU cooler (Amazon links are Affiliates Links) UK - https://amzn.to/37LM2Mi US - https://amzn.to/2Jm3ayY CA - https://amzn.to/34GmCOi I am part of the Amazon associates program, this means I get a small commission when you buy through these referral links.