It's such a cliché, but if it ain't broke, don't fix it.
But if you use them, you can kiss them goodbye if you update to Windows 10, although the Windows live tiles, inherited from Windows 8/8.1, can provide some of that functionality.
There are only two versions of the new OS for consumers: Windows 10 Home or Windows 10 Pro.
Practical television systems include equipment for selecting different image sources, mixing images from several sources at once, insertion of pre-recorded video signals, synchronizing signals from many sources, and direct image generation by computer for such purposes as station identification.
The facility for housing such equipment, as well as providing space for stages, sets, offices, etc., is called a television studio, and may be located many miles from the transmitter.
It takes practice before you develop a flow and it becomes second nature, where you don't stop and think about what you're telling it to do.