Install-module : The ‘install-module’ command was found in the module ‘PowerShellGet’, but the module could not be loaded.

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PS C:\WINDOWS\system32> install-module
install-module : The 'install-module' command was found in the module 'PowerShellGet', but the module could not be
loaded. For more information, run 'Import-Module PowerShellGet'.
At line:1 char:1
+ install-module
+ ~~~~~~~~~~~~~~
    + CategoryInfo          : ObjectNotFound: (install-module:String) [], CommandNotFoundException
    + FullyQualifiedErrorId : CouldNotAutoloadMatchingModule

PS C:\WINDOWS\system32> Set-ExecutionPolicy Unrestricted

Execution Policy Change
The execution policy helps protect you from scripts that you do not trust. Changing the execution policy might expose
you to the security risks described in the about_Execution_Policies help topic at
https:/go.microsoft.com/fwlink/?LinkID=135170. Do you want to change the execution policy?
[Y] Yes  [A] Yes to All  [N] No  [L] No to All  [S] Suspend  [?] Help (default is "N"): y
PS C:\WINDOWS\system32> Set-PSRepository -Name 'PSGallery' -InstallationPolicy Trusted
PS C:\WINDOWS\system32> install-module                                                                                  
cmdlet Install-Module at command pipeline position 1
Supply values for the following parameters:
Name[0]:
PS C:\WINDOWS\system32>