ThinkPad T580 RAM Upgrade Guide. Step by step.

Upgrading RAM on the ThinkPad T580: A Step-by-Step Guide.( ThinkPad T580 RAM Upgrade Tutorial)
I've decided to upgrade my old ThinkPad T580 laptop by adding 16GB of RAM. I've uploaded a video of the process, and I hope it will be helpful to those of you who use ThinkPad laptops.
In the video
00:20 : Preparation
00:32 : Tools Needed
01:00 : Tools Needed
01:40 : Ram Replacement
02:47 : Reinstalling the Lower Cover
03:10 : Validation