If you do not want to watch go to “Manage Optional Features” then + “Add a feature”. You can then scroll down the list and find the OpenSSH Client (Beta) and OpenSSH Server (Beta) features in Windows.
Do you really need a video when the installation instructions are 2 sentences?
(The worst offender that I've come across for this stuff is Minecraft mods. I want to know how this machine block works, not watch you chat about random stuff for 30 minutes hoping that the explanation is somewhere around minute 19!)
(I assume most of these videos are so unnecessarily long because it increases ad earnings for the content creators.)
Add-WindowsCapability -Online -Name OpenSSH.Client
Get-WindowsCapability -Online | Where-Object{$_.Name -like “OpenSSH.Client*”} | ForEach-Object{ Add-WindowsCapability -Online -Name $_.Name}