FreeCompose is a Compose key for Windows, provide users with the functionality of a Compose key under the Windows operating system.
A compose key, available on some computer keyboards, is a special kind of modifier key designated to signal the software to interpret the following sequence of two (or more) keystrokes as a combination in order to produce a character not found directly on the keyboard.
For example, striking Compose followed by A and then E may produce the ligature æ, whereas striking Compose followed by O and then C can yield © (circled C, the copyright symbol).

The license of this software is Free, you can free download and free use this office suite software.