[sisith]

Try adding these registry keys to add the camera side button and press-and-hold screen rotate

;Press and Hold Screen rotate
[HKEY_LOCAL_MACHINE\Software\Microsoft\Shell\Keys\4 0C2]
@=""
"WndCls"=""
"BtnWnd"=dword:00000000
"Flags"=dword:0000000C
"ResetCmd"="\"\\Windows\\Voice Speed Dial.lnk\""
"Icon"="\\windows\\sddialer.exe, 0"
"Name"="Button 1(Press & Hold)"

;Camera button
[HKEY_LOCAL_MACHINE\Software\Microsoft\Shell\Keys\4 0C1]
@="\"\\Windows\\AppButtons\\Camera.lnk\""
"Name"="Button 1"
"Icon"="\\windows\\Camera.exe, 0"
"ResetCmd"="\"\\Windows\\AppButtons\\Camera.ln k\""
"Flags"=dword:00000000