<LayoutModificationTemplate xmlns:defaultlayout="http://schemas.microsoft.com/Start/2014/FullDefaultLayout" xmlns:start="http://schemas.microsoft.com/Start/2014/StartLayout" Version="1" xmlns:taskbar="http://schemas.microsoft.com/Start/2014/TaskbarLayout" xmlns="http://schemas.microsoft.com/Start/2014/LayoutModification">
    <LayoutOptions StartTileGroupCellWidth="6" />
    <DefaultLayoutOverride>
        <StartLayoutCollection>
            <defaultlayout:StartLayout GroupCellWidth="6" />
        </StartLayoutCollection>
    </DefaultLayoutOverride>
    <CustomTaskbarLayoutCollection PinListPlacement="Replace">
        <defaultlayout:TaskbarLayout>
            <taskbar:TaskbarPinList>
                <taskbar:DesktopApp DesktopApplicationLinkPath="%APPDATA%\Microsoft\Windows\Start Menu\Programs\File Explorer.lnk" />
                <taskbar:DesktopApp DesktopApplicationLinkPath="%ALLUSERSPROFILE%\Microsoft\Windows\Start Menu\Programs\Firefox.lnk" /> 
            </taskbar:TaskbarPinList>
        </defaultlayout:TaskbarLayout>
    </CustomTaskbarLayoutCollection>
</LayoutModificationTemplate>