# general

- [Class Feeder](/class-feeder/eng/general/about-class-feeder.md): Autodesk® Revit® plugin for efficient element classification
- [Release Notes](/class-feeder/eng/general/versions.md)
- [Installation and Activation](/class-feeder/eng/general/installation-and-activation.md): System Requirements
- [Installation](/class-feeder/eng/general/installation-and-activation/installation.md)
- [Commercial Version Activation](/class-feeder/eng/general/installation-and-activation/commercial-activation.md)
- [Trial Version Activation](/class-feeder/eng/general/installation-and-activation/trial-activation.md)