For your information, Windows 10 Transformation Pack is not a windows, but only an application which will only change the appearance of the Login Screen, Themes, Wallpapers, Cursors, Fonts, Sounds, Icons, Virtual Desktop, Start Menu and others.
Well, if your friend’s operating system is Windows 7 or 8 / 8.1, you can use this application. Windows 10 Transformation Pack will not change the working system of your PC / Laptop and also will not damage the main computer system just beautify it.
Features of Windows 10 Transformation Pack
Seamless installation and uninstallation giving users safe transformation
Easily configurable in a single click with intelligence Metro UI design
Designed for all editions of Windows XP/Vista/7/8/8.1 including Server Editions
Genuine Windows 10 system resources with Metro touches
Smart system files updating with autorepair and Windows Update friendly
UxStyle memory patching
Windows 10 themes, wallpapers and logon screen
Virtual/Multiple Desktops feature
Revived start menu with Metro support
Metro UI desktop emulation with preconfigured gadgets
