Use startup messages to display a reminder or important message when users connect to a Windows computer. As a company, some may even choose to post legal notices at each start-up. The process of displaying a boot message box in Windows 8 is essentially similar to that of Windows 10/8/7, you can do this via the Group Policy Editor or Registry Editor. Let’s see how it works!
Distribute a legal message when Windows starts
Use Windows registry
Press Win+R in combination to display the’Run’ dialog box. In the empty field of the’Run’ dialog box, type the following keyword – regedit and click the’OK’ button.