"Hot Virtual Keyboard" upon which this extension depends isn't free. Just has a free 30-day trial, then $29.99.

Don`t do nuthin cept waste mty rime. Dont waste urs. Win10 tablet~

For such a simple thing like a floatting virtual keyboard, we don't need to install additional desktop software normally, and we don't need premium softwares. It doesn't worth it, we need free addon. Paid addons or additional desktop softwares are good for complex things, not like this one.