1.Open run command
window or press window+R button
2.Now type regedit and
press ok
3.Then go to this
following file HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\Current
Version\Policies\System
4.Right click on
legalnoticecaption and choose Modify to edit string.
5.A window will pop
up,you can type in the title of your message in Value Data. Hit OK to close the
window
6.Now, continue to
right-click on legalnoticetext and choose Modify.
7.Close the regedit
window and log off or restart the computer to see the result.