While the Technical Preview installation completed successfully, my PC has a high DPI display (retina) and apparently there is a problem with virtualization software and Windows 8.1 and Windows 10 as I notice that the modern experience and the desktop Taskbar automatically adjust to look correctly on high-definition displays when using scaling, but the Start menu, apps, text, and other items in the screen do not scale properly. Yes, you can go to PC settings > PC and Devices > Display and change the option to make everything a bit bigger. Apps, text, and other items in the screen will scale better, but you’ll notice that the Start menu hardly scales. I noticed this high DPI issue on retina displays on VMware Workstation, VirtualBox, and VMware Fusion on Mac. Although there isn’t a permanent fix, there is a workaround you can use to make it all work well and that involves modifying a Windows Registry key.

How to fix high-DPI scaling issue with virtual machines

I just showed you the instructions of how everything works, but there is always an easier way to do things. In the link below I created two .reg files that you can download to change the scaling settings in Windows 10 automatically. Use the “fix-dpi-windows-vm_pureinfotech-enable.reg” to turn on the setting and use the “fix-dpi-windows-vm_pureinfotech-disabled.reg” to turn off the setting. Look for the LogicalDPIOverride String. If you don’t see it, right-click New, select String Value, name it LogicalDPIOverride.

Instead of this:

Keep in mind that the .reg file to fix the DPI settings in Windows 10 using a virtual machine is configured to scale to 200%. If you wish to have a different configuration, you’ll have to edit the file using Notepad and changing the LogicalDPIOverride setting to the number you want before merging the settings to the registry. It’s worth noting that this Windows Registry tweak works in Windows 10 as well as in Windows 8.x virtual machines running in VMware Workstation, VMware Fusion, VirtualBox in Windows and Mac. All content on this site is provided with no warranties, express or implied. Use any information at your own risk. Always backup of your device and files before making any changes. Privacy policy info.