Getting help
PowerShell used to come bundled with help documentation. If you've worked with *nix systems, it's similar to the man page.
Starting with PowerShell v3, however, the help files/system were not installed with PowerShell. One of the chronic problems with a help system that comes bundled with an application is that the contents get outdated right away. Applications are continuously being patched, improved, and changed, and thus the documentation needs to be updated. You will need to consciously download and install the help files when you are ready.
Once ready, run PowerShell as an administrator and just type in the following command:
Update-Help
This will connect you to a Microsoft server to download the most recent version of PowerShell ...
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