How to Change DPI Scaling for Modern UI in Windows 8 ​

Information Information This tutorial will show you how to change the DPI scaling of only the Metro Start screen and apps in Windows 8.



You may sometimes feel the Start Screen tiles and it's apps UI is too big or too small for your monitor size. By modifying registry you can change the DPI (which controls the size of the Start Screen UI) by changing the monitor size detected by Windows.





Warning Warning Modifying the registry incorrectly may cause Windows to be corrupted. Be careful while modifying registry entries.





Tip Tip Consider this, you have set a HTPC setup with Windows 8 on an 42" TV. Because of its size, the Start Screen tiles may appear too small. By doing this you can pretend the installed monitor was a 10.1" monitor, and it will resize the UI to be bigger because it have less DPI.





Warning Warning This doesn't work in Windows 8.1 and Windows RT 8.1. There is no known way yet to disable the automatic detection of Monitor Size.





To get started, do the following steps:

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HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Scaling​

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Press thekeys to open the Run dialog, type, and click/tap onIf prompted by, then click/tap onIn regedit, navigate to the location below.Create new string value, name itDouble-Click on thevalue, then enter the desired monitor size.(").Close Registry Editor, then restart your computer.That's it,Your Start Screen DPI settings should change, sizing to the same as the Monitor Size you've specified.