Add install Az module section (#3466)

* Add install Az module section

* add Az module name

docs/create-image-and-azure-resources.md

@@ -11,8 +11,8 @@ After successful image generation, a snapshot of the temporary VM will be conver
 - `OS` - Windows/Linux
 - `packer` - Can be downloaded from https://www.packer.io/downloads
 - `PowerShell 5.0 or higher` or `PSCore` for linux distributes.
-- `Azure CLI ` - https://docs.microsoft.com/en-us/cli/azure/install-azure-cli?view=azure-cli-latest
-- `Azure Powershell module` - https://docs.microsoft.com/en-us/powershell/azure/install-az-ps?view=azps-4.6.1
+- `Azure CLI ` - https://docs.microsoft.com/en-us/cli/azure/install-azure-cli
+- `Azure Az Powershell module` - https://docs.microsoft.com/en-us/powershell/azure/install-az-ps
 - `Git for Windows` - https://gitforwindows.org/
 
 ### Azure DevOps self-hosted pool requirements
@@ -33,6 +33,11 @@ Download `packer` from https://www.packer.io/downloads, or install it via Chocol
 choco install packer
 ```
 
+Install the Azure Az PowerShell module - https://docs.microsoft.com/en-us/powershell/azure/install-az-ps.
+```
+Install-Module -Name Az -Repository PSGallery -Force
+```
+
 Install Azure CLI - https://docs.microsoft.com/en-us/cli/azure/install-azure-cli-windows?view=azure-cli-latest&tabs=azure-cli.
 ```
 Invoke-WebRequest -Uri https://aka.ms/installazurecliwindows -OutFile .\AzureCLI.msi; Start-Process msiexec.exe -Wait -ArgumentList '/I AzureCLI.msi /quiet'; rm .\AzureCLI.msi