How to update Apps installed on Windows 8, Windows Store updates applications
To update your installed applications in Windows 8 just go in the Official Store of Windows, here in the top right corner you will see the item updates, if there are changes to your apps installed on the OS.
In the example image below there are 7 updates, indicated by a green writing.
If you want to update the software / apps installed, or see what you can update or delete, click on updates.
At this point you will see the APPS that can be updated on your OS.
Here you can choose which to install, all you need to flag or deflag the apps and then click on Install circle.