KeyState is popular computer software. The program has some advantages over other similar tools. KeyState is used on huge number of computers around the world.
There is a ready to use alternate to KeyState program. It is Num Lock Indicator software product. You may compare KeyState and other program utilities at NUM-LOCK-INDICATOR.COM website.
This web site contains overview of many software alternatives to KeyState product and other useful software:
Also take a look at Num Lock Indicator software. It is great alternate solution to replace KeyState utility. Free evaluation version of Num Lock Indicator is available to download from NUM-LOCK-INDICATOR.COM website.