Download latest version of OEvent and other support files.

OEvent OEvent v4.422

Windows installation file.
Firebird database Firebird database v2.5.0.26074

You will need this only if you want to run OEvent in networked environment, which means if you want to connect multiple PCs to work with OEvent. If you are running OEvent on a single computer, then you don't need to install Firebird.