On windows, hold ‘alt’ and then type the numbers 1 6 4 for lower case and 1 6 5 for upper case ñ.
That’s their places in the ASCII table, you can do that with any special characters, look up their place in the ASCII table, press alt and the respecting number, release alt and voila.
Yeah all I see is a group of people dancing next to a street…
Edit: to the down voters, I was merely describing the information that was available in this thread at the time, which was none except the video. Now that OP has provided sourcing that supported the claims in the title, I am satisfied. Don’t trust everything you see on the Internet, unless there is a context that support what is claimed is what I am saying.