KeyState is well known software solution on the market. This program has many benefits beyond compare. KeyState is installed on many PCs worldwide.
Great alternative to KeyState software is Keyboard LEDs program. There are other software alternates, ether free or commercial. Comparison of different software utilities and KeyState program is available at KEYBOARD-LEDS.COM website.
Alternate to KeyState
Other alternatives to KeyState product are described at KEYBOARD-LEDS.COM site. Here is a list of possible computer programs to replace KeyState software:
You may find interesting Keyboard LEDs software as alternative KeyState solution. Free evaluation version of Keyboard LEDs is also available at this web site.