AVI Processor has been discontinued since 2008. It will not be developed anymore, and it is not available in the online store.
See more information about it in Aurigma blog.
If you need it for legacy projects or want to get it for whatever else reason, feel free to contact us.
Note
If you are interested to add AVI manipulation functionality to your application and your application is .NET-based,
we recommend you to check our product
AVI Processor add-on for Graphics Mill.