Script Download:ChangeNumberOfAppsTileRows(PowerShell).ziphttp://gallery.technet.microsoft.com/scriptcenter/Change-the-Number-of-Tile-b2ffa214
By default, the number of rows for the tiles is fully dependent on the screen resolution or window size that fits on your Windows Screen. However, sometimes the user wants to display a specific number of rows of tiles on the Start Screen regardless of the screen size.
You can find more All-In-One Script Framework script samples at http://aka.ms/onescriptingallery