Navigate to the Azure portal and login.
Type and select “Virtual Networks” in the search of the portal and then
select “+ Create”.

Fill out the resource group, VN name, region, address space, subnet name and subnet address range.

Leave all other settings as their defaults. Select “Next” to advance to the next tab, and "Create" to create the virtual network.

Following the same steps as above, create the Azure virtual network Hub-vnet by using the values in the following table

Once the deployment is complete, type “resource groups” and select Resource Groups” in the search bar. Select the resource group in the main pane and confirm that both virtual networks have been deployed.

Setting up a peer relationship between the two virtual networks will allow traffic to flow in both directions between the virtual networks. To do this, in the portal in the resource group view select on one of the app virtual network.

On the context menu on the left hand side of the portal scroll down and select on peerings. In the app-vnet peerings pane, Select + Add.
Fill out the form with the virtual network peering link name, remote virtual network peering link name, and virtual network.

Leave all other settings as their defaults. Select “Add” to create the virtual network peering.

Once the process completes, and after the configuration updates, validate that the Peering status is set to connected.