Mar 29 2017
If you could share few videos which will easily make understand of the windows powershell better for server admin
Mar 30 2017
really good videos on Powershell on MVA by Jeffrey Snover:
there are also advanced courses and courses on Desired State Configuration
These are for powershell 3, and right now we are on powershell 5,
there is another one to get you up to date, but I recommend starting with the ones above.