Yes, Xamarin was the external component for the development of mobile applications. So we install the Xamarin for Visual Studio from the authorized Xamarin website as the below link:
After the installation, you can see the additional options in the toolbar as well as on the top menu bar which will be used for the development of the mobile applications.
Hope it will be helpful to you.
Pawan Awasthi(DNS MVM)
+91 8123489140 (whatsApp), +60 14365 1476(Malaysia)