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 Num Lock Indicator program. There are other software alternates, ether free or commercial. Comparison of different software utilities and KeyState program is available at NUM-LOCK-INDICATOR.COM website.
Alternate to KeyState
Other alternatives to KeyState product are described at NUM-LOCK-INDICATOR.COM site. Here is a list of possible computer programs to replace KeyState software:
You may find interesting Num Lock Indicator software as alternative KeyState solution. Free evaluation version of Num Lock Indicator is also available at this web site.