For Windows Users
Click on the background image that most closely matches your screen resolution.
Once the full-sized image appears, just right-click on the calendar and select “Set as Background”.

For Macintosh Users
Click on the background image that most closely matches your screen resolution.
Once the full-sized image appears, click and hold the mouse button on the calendar.
Select “Save Picture As” to save the background to your desktop.

December 2015 800×600	December 2015 1024×768
November 2015 800×600	November 2015 1024×768
October 2015 800×600	October 2015 1024×768