In order to uninstall an app in Windows8 first of all we have to install that app. Checkout How to install apps in windows8 from windows store.
There are 2 options to uninstall an app in windows8.
#1 Go to Windows8 apps window and select the app which you want to uninstall. For selecting the app just ”Right Click” on that app then it will be selected and below options will be displayed.
For demonstration here i have selected skydrive app.
#2 Now click on Uninstall icon it will prompt you for confirm uninstalling the app and related info regarding that app, then just click on uninstall button it will be deleted from the system.
#1 There is an other option to install your apps. If you don’t find your app in apps windows just right click anywhere on apps windows it will popup a window at botton asking to open all apps.Just click on that icon then you can see all your apps, Windows Accessories etc..,
#2 Now you can select your app which you want to uninstall from system. The Remaining process is same as shown in option 1.
Windows 8 is offering best performance and best features. In Windows8 we can very easily install apps from windows store and we can easily uninstall them.