Displaying A Notice Before Your Computer Completes Its Booting Process

1. Open Registry Editor. This can be done by clicking on Start button, selecting Run, inputting regedit and clicking on OK button.
2. Go to HKEY_LOCAL_MACHINE/Software/Microsoft/Windows/Current Version/Policies/System
3. Right click on the pane on right and create 2 new REG_SZ and rename them to legalnoticecaption and legalnoticetext and put their values to the caption text and the notice text you want to be displayed.
4. Restart your computer and see your own notice being displayed while your computer boots.