Below are some important notes on upgrading to Confluence 4.1.5. For details of the fixes in this release, please read the release notes.

アップグレード手順

すでに Confluence のいずれかのバージョンを実行している場合、以下の手順に従って最新バージョンにアップグレードしてください。

1. Before you upgrade, we strongly recommend that you back up your Confluence Home directory and database. 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 4.1.x.
3. If your version of Confluence is earlier than 4.1, read the release notes and upgrade guides for all releases between your version and the latest version.
   In particular:
   • Please read the Confluence 4.1 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.