If you get internet not available while running powershell script

You may get error like
WARNING: Unable to download from URI 'https://go.microsoft.com/fwlink/?LinkID=627338&clcid=0x409' to ''.
WARNING: Unable to download the list of available providers. Check your internet connection.
PackageManagement\Get-PackageProvider : Unable to find package provider 'NuGet'. It may not be imported yet. Try 
'Get-PackageProvider -ListAvailable'.

At C:\Program Files\WindowsPowerShell\Modules\PowerShellGet\1.0.0.1\PSModule.psm1:7415 char:30


Open Powershell in admin mode and run following command.

[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12