New-AzPolicyAssignment is a powerful command in Azure PowerShell that allows you to assign policies to resources in your Azure environment. Policies help you enforce compliance and governance rules across your Azure resources. While New-AzPolicyAssignment is not natively available in the Windows environment, there are alternative methods to achieve similar functionality.

In the Windows environment, you can use Azure PowerShell or Azure CLI to manage Azure resources and apply policies. Both PowerShell and CLI provide similar capabilities to New-AzPolicyAssignment, allowing you to assign policies to resources and enforce compliance.

To get started, you need to have Azure PowerShell or Azure CLI installed on your Windows machine. You can download and install Azure PowerShell from the official Microsoft website, and Azure CLI can be installed using the Windows Subsystem for Linux (WSL) or directly on Windows.

Once you have Azure PowerShell or Azure CLI installed, you can use the following commands to assign policies to resources:

1. Using Azure PowerShell:

   Connect-AzAccount

   New-AzPolicyAssignment -Name "MyPolicyAssignment" -PolicyDefinition "MyPolicyDefinition" -Scope "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroup}"

2. Using Azure CLI:

   az login

   az policy assignment create --name "MyPolicyAssignment" --policy "MyPolicyDefinition" --scope "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroup}"

Replace {subscriptionId} with your Azure subscription ID and {resourceGroup} with the name of the resource group where you want to assign the policy.