On the task bar on the bottom of your screen:
...click on the "Windows XP" button that looks like this:
A window will pop up that looks like this:
Click on the green arrow button. 
Windows XP will begin booting in the virtual machine.
After the virtual machine is booted, the window will look
like this:
Note that your mouse cursor looks like a black arrow when it is
over any of the Linux / Gnome desktop and a little white hand when
it is over the VMWare / Windows XP window. Click on the VMWare /
Windows XP window so that the mouse cursor looks like a white
arrow. Press the CTRL, ALT, and
DELETE keys simultaneously. The window should
then look like this:
Enter your UBITname and your engineering password to log in.
You are now ready to use the Windows XP operating system and
software.