Download and Install Windows Updates from the CLI With PowerShell

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Introduction

Whether there is a remote machine you need to update, or you just want to update your local machine from the CLI for fun, learning how to install Windows updates using PowerShell is a useful and time-saving skill!

Open Powershell

You can open PowerShell by right-clicking the Windows Start Menu and selecting either Terminal (Admin) or PowerShell (Admin).

Allow Scripts to Run

You will need to set the execution policy on your system to allow scripts to run.

Set-ExecutionPolicy -Scope CurrentUser RemoteSigned

Install PSWindowsUpdate

Now that you can execute scripts, it’s time to install the PowerShell module PSWindowsUpdate. Enter Y when prompted for user input.

Install-Module -Name PSWindowsUpdate

Import PSWindowsUpdate

After installing PSWindowsUpdate you must install it to utilize it on your system.

Import-Module -Name PSWindowsUpdate

Display Windows Updates

Now that PSWindowsUpdates is installed and imported on your system, run the following command to see what updates are available.

Get-WindowsUpdate

Install Windows Updates

After seeing what’s available, let’s install all the updates. You can do that with the below command.

Install-WindowsUpdate -AcceptAll

Conclusion

Today you have learned how to install Windows updates using the PowerShell command line. This will undoubtedly prove useful in scenarios where you need to update a computer remotely without interrupting the user’s session. Or you can just do it for fun on your own machine!

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