The Windows 7 has embossed the desktop with numerous water marks that determine and come into view if the condition warranted, comparable to Windows Vista. For illustration, “For testing purposes only” determine and come into view if the customer installs a beta or RC copy of Windows 7, “Evaluation copy” if the operating system installed is not stimulate up till now, “Test Mode” when facilitating the testsigning method (permit non-CA signed self-signed official document to be used), “Safe Mode” when booting into Safe Mode, and etc.