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1. Before you upgrade, we strongly recommend that you back up your Confluence Home directory and database.

   Excerpt Include
   Confluence Home Directory Confluence Home Directory nopanel trueConfluence Home Directory

   Read more about finding your Home directory.
2. If your version of Confluence is earlier than 3.5.x, then you should upgrade to Confluence 3.5.x before upgrading to Confluence 4.3.x.
3. If your version of Confluence is earlier than 4.3, read the  release notes and upgrade guides for all releases between your version and the latest version.
   In particular:
   
   • Please read the Confluence 4.3 Upgrade Notes.
   • Please read the Confluence 3.5 Upgrade Notes.
   • If you are upgrading from 2.1 or earlier, please also read the 2.2 release notes.
4. Download the latest version of Confluence.
5. Follow the instructions in the Upgrade Guide.