If you are not sure if a PowerShell module is already being installed on your device or not, then you can make use of the Get-Module cmdlet as follows,
Syntax:
Get-Module -ListAvailable -Name name-of-the-module
Example:
Get-Module -ListAvailable -Name ThreadJob
If the module is already available, you will see details about it when you press enter.
Directory: /usr/local/microsoft/powershell/7/Modules
ModuleType Version PreRelease Name PSEdition ExportedCommands
---------- ------- ---------- ---- --------- ----------------
Binary 2.0.3 ThreadJob Desk Start-ThreadJob
If the module is not present, you come back to the blank PowerShell prompt i.e. you will see no output.
![PowerShell Check if a Module is Already Installed Example PowerShell Check if a Module is Already Installed Example](https://code2care.org/howto/powershell-check-if-a-module-is-already-installed/images/PowerShell Check if a Module is Already Installed Example.jpg)
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