Write Source is a teaching didactic utility that comes equipped with dozens of exercises aimed at achieving correct writing.
From Write Source you will have different modules from where you can learn to spell correctly, search the dictionary, get definitions of some words, and so on. In addition, it has a text editor to test spelling and syntax.
The dictionaries with which Write Source is equipped are up to 30 different languages. It also has dictionaries of medical, legal and technical terminology.
You can free download Write Source 32, 64 bit and safe install the latest trial or new full version for Windows 10 from the official site.