Install-Module Microsoft.Graph -Scope AllUsers

[kalimam]

Once i try to run Install-Module Microsoft.Graph -Scope AllUsers getting below error

1.  Install-Package: No match was found for the specified search criteria and module name 'Microsoft.Graph'. Try Get-PSRepository to see all                    
   

available registered module repositories.

2.  Install-Module Microsoft.Graph -Scope CurrentUser -Repository PSGallery -Force
     Get-PackageSource: Unable to find repository 'PSGallery'. Use Get-PSRepository to see all available repositories.
   

3.  Install-Module Microsoft.Graph -Scope CurrentUse
     Install-Package: No match was found for the specified search criteria and module name 'Microsoft.Graph'. Try Get-PSRepository to see all available registered module repositories.