When you right-click on an application’s pinned icon on the Task Bar, a Jump List will appear that will display items such as recent, important, frequent, or tasks. If the number of Recent Items displayed isn’t to your liking, you can increase or decrease the number of items displayed.
1. Right-click on the Windows Orb (Start Button) and select Properties.
2. On the Start Menu tab, click the Customize button.
3. Go to the bottom of the Customize Start Menu window and use the Number of recent items to display in Jump Lists control to select the desired value.
4. Click the OK button.