How do I determine the current BIOS version on my HP Z240 Tower Workstation?

To check the BIOS version during startup, turn on the workstation, press Esc during startup (boot), then press F1 or click System Information to see the BIOS version and date. On Windows 7, you can also go to Start > All Programs > Accessories > System Tools > System Information and find the BIOS Version/Date line in the right pane. Compare the version found against the versions listed at http://www.hp.com/go/workstationsupport. (Page 39)