Download Indeo 2 (3.1/95/98/ME)

16-bit Indeo 2 video codec with manual install.
Steps for installation if you have Windows 3.1, 95, 98, or Me.
1. After extracting the zip, move ir21.dll to the windows\system folder
2. In your windows folder, find the file named system.ini, and under the [drivers] section add the line
VIDC.RT21=IR21.DLL

For decoding Indeo 2 on a 32-bit system (Windows NT 4/2000/XP/2003) we recommend the ffdshow-tryouts filter.