This article describes how to use Microsoft Tag API; Author: Tamer Oz; Updated: 16 Apr For doing this, you only need a phone with a camera and to download the tag Microsoft Tag is an end-to-end barcode solution that bridges the physical and Try Tag Now! Download the Tag app at http://gettag.mobi and scan this Tag.Microsoft Tag is a 2D barcode that connects the physical world with of text or a phone number, or go further and help people use your mobile site, see a video, download Learn how to use Microsoft Tag to bring your marketing campaigns to life.There are four easy ways to get the free Microsoft Tag app for your smartphone. Search for "Tag Reader" or "Tag app" in your mobile app store to download it for free.Questions – and answers – about using Microsoft Tag. If you can't find your answer process is different for each marketplace or app store; see our App Download Tag