Windows 8 is an operating system that allows you to customize your system as per your needs. In this tutorial, we will show you how to work with metro apps which are a new feature this operating system offers. Follow this step by step guide to learn how to Resize, Pin or Unpin Metro App Tiles Windows 8. Knowing how to pin or resize the metro app tiles will save you a lot of time. Furthermore, you won’t be going on search expeditions looking for some program. You can simply pin it so that it stays right in front of you at all times.