Updated overview with link pointing to 2019 and 2020 docs.

Author: Heidilohr

articles/virtual-desktop/overview.md

@@ -191,7 +191,9 @@ Available automation and deployment options depend on which OS and version you c
 
 ## Next steps
 
-To get started, you'll need to create a tenant. To learn more about how to create a tenant, continue to the tenant creation tutorial.
+If you're using the Windows Virtual Desktop Fall 2019 release, you can get started with our tutorial at [Create a tenant in Windows Virtual Desktop](./virtual-desktop-fall-2019/tenant-setup-azure-active-directory.md).
+
+If you're using the Windows Virtual Desktop Spring 2020 release, you'll need to create a host pool instead. Head to the following tutorial to get started.
 
 > [!div class="nextstepaction"]
-> [Create a tenant in Windows Virtual Desktop](./virtual-desktop-fall-2019/tenant-setup-azure-active-directory.md)
+> [Create a host pool with the Azure portal](create-host-pools-azure-marketplace.md)