Download the latest stable release from the releases page. Check out the release description to see what has changed from the previous version.
See appropriate subsections for your operating system
Windows - coming soon
Sign up to the mailing list, follow on twitter and/or facebook to keep up to date with the latest releases. Say hi at pietro@autoEdit.io, always curious to hear what autoEdit is helping you with.
autoEdit.io it's free and open source. Free as in free speech as well as in free beer. Help support the autoEdit project to keep it that way. Support will go towards fixing bugs, adding features, provide support for users etc...