Below are some important notes on upgrading to Confluence 4.1.3.
For details of the fixes in this release, please read the release notes.

Upgrade Procedure
If you are already running a version of Confluence, please follow these instructions to upgrade to the latest
version:
- Before you upgrade, we strongly recommend that you back up your Confluence Home directory
and database.
Read more about finding your Home directory. - 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.
- 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: -
Download
the latest version of Confluence.
- Follow the instructions in the Upgrade Guide.