The ADMX templates for Windows 10 have just hit the Microsoft download centre. Group Policy tools use Administrative template files to populate policy settings in the user interface. This allows administrators to manage registry-based policy settings.
It’s also worth grabbing the spreadsheet that includes details of the Group Policy settings here, along with a bunch of downlevel OS Group Policy settings spreadsheets as well.
Windows 10 , Windows 7, Windows 8, Windows 8.1, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2
User rights to run the Group Policy Management Editor (gpme.msc) or the Group Policy Object Editor (gpedit.msc).
To download the .msi file that contains the .admx files: