# NovaBACKUP Components

- [Supported NovaBACKUP versions & upgrade paths](/novabackup-components/supported-novabackup-versions-and-upgrade-paths.md)
- [Overview of the NovaBACKUP Components](/novabackup-components/overview-of-the-novabackup-components.md)
- [System Requirements](/novabackup-components/system-requirements.md)
- [Useful how-to articles](/novabackup-components/useful-how-to-articles.md): Useful how-to articles that apply to NovaBACKUP 21.x. The latest content is at the top of each section.