How to switch to different azure subscritption using powershell GET approach

Mac setup

Steps for Mac OS ( 10.2 or newer )

Install brew
Install Powershell Core ( brew cask install powershell )
Update brew and powershell ( brew update  ; brew cask install powershell ).
Install Azure Module ( pwsh  ps> Install-Module -Name Az -AllowClobber )
Install PSPKI ( for New-SelfSignedCertificateEx )
ps> Install-Module -Name PSPKI
ps> Import-Module -Name PSPKI

How to connect to the azure subscription using the Az powershell module ?

Install-Module -Name Az -AllowClobber

Then issue command:

Connect-AzAccount

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New-AzResourceGroup -Name $resourcegroupname -Location $location

How to test the connectivity with that subscription ?

Get-AzVirtualBetworkGateway -Name <name of VPN gateway>  -ResourceGroupName <Resource group>

when you switch the subscription, need to follow these steps 

Uninstall-AzureRm

Install-Module -Name Az -AllowClobber

Then issue command:

Connect-AzAccount

New-AzResourceGroup -Name $resourcegroupname -Location $location

reference : https://social.msdn.microsoft.com/Forums/en-US/25cd6b6b-6311-4670-9590-e03699fbcc3a/powershell-ise-az-the-term-az-is-not-recognized-as-the-name-of-a-cmdlet?forum=azurescripting