How to Download & Install Interop Tools on Windows 10 Mobile:
1. Download the Interop tools Appx file from attachment, unzip
2. Now all you need to do is to turn on the developer option by going to Settings—>Update & Security–>For Developer–>Select Developer Mode and select “yes” when prompted. This enables side-loading of apps.
You should be now able to install “Interop Tools” by tapping on the Appx that you have downloaded in first step.
3. You should be ready to have some fun, though be careful before editing registry unless you know what you are doing.
4. Once installed, the app appears under installed apps
The tool is not Lumia-specific but seems access to restricted keys is only for Lumias.
edit: if you have problem with newer version, simple uninstall app from storage, restart phone and install again.
Interop Tools Beta 188.8.131.52 (fbl_release(gustavem).160621-0900) changelog:
+ New helper runtime component, all core registry editing functionality have been migrated to registryhelper.winmd, as such, there might be new bugs, especially in the registry browser. Please report them if you find any.
+ WinPRTUtil is now also used in the browser and in registry value deleting operations.
~ Fixed an ux issue with light theme enabled.
~ Fixed an issue where HKD would be incorrectly named in certain areas.
~ Fixed an issue where the tool would incorrectly report the state of offline charging when loading the page.
NOTICE: ARM for mobile, x86/x64 for PC