How to upgrade PowerShell (steps with pictures and text)

I am a Windows 7 system. When I ran the vagrant box add laravel/homestead command during the process of setting up the Homestead environment today, it failed. The minimum version of PowerShell required is 3.0, and the built-in version of Windows 7 is PowerShell 2.0. However, it can be upgraded to 3.0 or 4.0, so we can only upgrade obediently~

Upgrade PowerShell to 3.0:

Step 1: Download PowerShell3.0

Click to open this link: https://www.microsoft.com/en-us/download/details.aspx?id=34595

Click on the opened pagedownload；

Then select Windows6.1-KB2506143-x64.msu and click Next# on the right ##Download;

Step 2: Double-click the file and install

Step 3: Restart the computer

Step 4: Verify whether the installation is successful

First click "Start" in the lower left corner of the computer, then enter PowerShell, find and open Windows PowerShell;

Then execute the command in PowerShell

Get-Host | Select-Object Version

If Windows PowerShell 3.0 is installed, you can see the following output:

Version  
-------    
3.0

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