Windows 10 UX Pack will give you Windows 10 UI improvements such as theme and some Windows 10 features without touching system files. So it won’t have such risk to harm your system at all.
In this package, you’ll have Windows 10 inspired themes and applications to make your system resembles Windows 10 as much as possible without modifying system files.
Windows 10 UX Pack includes Windows 10 Login Screen, Modern, Glass and Metro Themes, Wallpapers and much more. It will also enable you to add in the taskbar the Start Orb or activate the User Tile.
Another feature you can activate at this point is the auto-colorization of the Aero interface of the operating system.