In Win10PE_SE, it is the default value.
; Visible Taskbar Right Click Menu
; Win10XPE\Projects\Win10XPE\Features\StartIsBack_RegDefault.txt
[HKEY_LOCAL_MACHINE\Tmp_Default\Software\StartIsBack]
"TaskbarJumpList"=dword:00000001
or
_SUB OSInit
// Visible Taskbar Right Click Menu
IFEX %SystemDrive%\Program Files\StartIsBack,REGI #HKCU\SOFTWARE\StartIsBack\TaskbarJumpList=1
_END
