Virtuawin is a free software that let's you set up multiple virtual desktops--a common feature on Linux-based OS. Install and switch around the multiple desktops with Ctrl+Alt+[Arrow Key]. You need to disable keyboard shortcuts on your video card so that these hot-keys are exclusively set for Virtuawin. Read their FAQ for more details.
Virtuawin uses Very small footprint and barely any resources. You can download it for free here.