Windows 7 and XP have options to change Logon and Logoff sounds in Control Panel but in Windows 8 those options are hidden. To enable Change Logon and Logoff sounds in Windows 8 here is a guide which let you allow to do that with a registry hack, so continue reading after the break to check out the process.
Change Logon and Logoff Sounds in Windows 8
Press “Win” + “R” keys and type regedit into the field available in Run window, and press “Enter” key
Registry Editor will get open now in its left panel hierarchy navigate through “
Note: You will find WindowsLogoff folder in the same hierarchy, above on the WindowsLogon, so you can do same changes with that folder to enable it.
Find “ExcludeFromCPL” in right panel of Registry Editor screen and double click on it and change its “Value data” to “0” from 1
Close Registry Editor, and go through the Control Panel where you will find “Windows Logon” sound option, in Sound section to customize it