# Installation details

- [Release channels and versions](/installation-details/release-channels-and-versions.md): This page describes the different channels and how releases are used.
- [Upgrading and downgrading](/installation-details/release-channels-and-versions/upgrading-and-downgrading.md): This page describes how to downgrade Duplicati from a newer version to an older version
- [Downgrade from 2.1.0.5 to 2.0.8.1](/installation-details/release-channels-and-versions/downgrade-from-2.1.0.2-to-2.0.8.1.md): This page describes how to downgrade from Duplicati 2.1.0.5 to 2.0.8.1
- [Downgrade from 2.2 to 2.1.05](/installation-details/release-channels-and-versions/downgrade-from-2.2-to-2.1.05.md): This page describes how to downgrade from Duplicati 2.1.0.5 to 2.0.8.1
- [Package options](/installation-details/package-options.md): This page describes the different packages offered by Duplicati
- [Developer](/installation-details/developer.md): Instructions to build from source