Tablet Mode (Windows 10 Store Apps)
Press Ctrl + P to launch the print preview.
Select the Printer charm from the drop down list.
Set the desired print options, and then click Print.
Desktop apps (32-bit (x86) or 64-bit (x64)apps)
Note: These apps may be represented as tiles in Windows 10, but they will open in the desktop.
Click File > Print from within the app or press Ctrl + P on your keyboard.