Get-Help

Display help information and documentation for PowerShell commands (aliases, cmdlets, and functions). This command can only be run through PowerShell. More information: https://learn.microsoft.com/powershell/module/microsoft.powershell.core/get-help.

Get-Help command

Get-Help command -Detailed

Get-Help command -Full

Get-Help command -Parameter parameter

Get-Help command -Examples

Get-Help *

Update-Help

Get-Help command -Online