A nice easy explanation of how to do what I consider to be the most important adjustment for the playability of your guitar. 

 

https://www.stewmac.com/video-and-ideas/online-resources/learn-about-truss-rod-installation-and-repair/how-to-adjust-your-truss-rod-without-breaking-your-guitar/?utm_campaign=Hot%20Rod%20Truss%20Rods%202025.03.23-E&utm_medium=email&utm_source=attentive&externalId=ZmEfn