Open up the folder where your files are. You can do this from the my computer icon. Adjust the size so it is 1/2 the screen. Click the my computer icon again to open another window. Adjust the size so it fills the other half of the screen. From this window, open up the drive for where you want the files to go.
Highlite the files you want to move and right click and cut. Move your mouse to where you want the file to go and right click and paste.