how to add startup login script

if setting  hkey current user... 
        highlight key
        export to file
        edit file for specific area
        save file and add to login script like below

regedit /s \\merlin\netlogon\window-reuse.reg


here is window-reuse.reg

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main]
"AllowWindowReuse"=dword:00000000