If you are in a Windows Ten ( 10074 and above) for use on computers Visual Studio to develop Windows Ten or Windows 8.1 application, you may encounter the following issues that require you to turn on developer mode.
so you run into the setup and open the developer mode :
As a result, you find that when you run the program, it's the same problem, and you're struggling with why it's useless to set it up.
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If you see a problem that lets you turn on developer mode again, click on the dialog box " OK ", and then follow the steps below:
If you are Windows Ten Home Edition, then you need to use regedit or a PowerShell set the registry value directly to open your developer mode.
If you are a different version, then please use the gpedit.msc to turn on the appropriate Group Policy.
- Win Key +s , search for "Run" (English version, please use Run ), and then click Run with administrator privileges
- input gpedit.msc Open the Group Policy tool
- Click Local Computer Policy à Computer Configuration à Administrative Templates à Windows Components à Application Package Deployment
- Set the following two values to the "on" state.
- Allow all trusted applications to be installed   sideload mode)
- allow development of App Store app and from the Integrated development environment ( ide ( visual Studio Span style= "font-family: the song Body;" > Inside deploy the app to native
Reference : https://msdn.microsoft.com/library/windows/apps/xaml/dn706236.aspx
Open developer mode in Windows 10