If you want your users to be able to access the PC without having to login or you have an event wherein you do not want the hassle of having to register or login users in the client PCs, this is the perfect solution for it.
-Download the SQLite browser in order to edit the database of the client PC.
-Launch DB Browser app after installing it. Click "Open Database".
-Type %programdata% in the address bar and click "Open"
-Click "Browse Data" tab and look for
AutoLoginGuest . Set its value to
-Click "Write Changes" on the top to save the new value.
-Restart client PC and upon boot it should open into "Guest mode". Note the lack of "Log out" button and Time to logout.