To use a USB (flash drive) pen drive as RAM on your computer. First open the drive by clicking on "My Computer" then double clicking on the drive. Next open the eBoostr control panel. When the control panel dialogue box opens click "Add..." this will open the "Add cache device" dialogue box. Once this dialogue is open click the select device drop-down menu and select your removable USB drive (pen drive) from the list. Then click "OK" and wait for the "allocating cache file..." process to complete. Once this is done you can read the stats in the eBoostr control panel to see that your drive is indeed being used as RAM.