To update a previous version of the gallery block with the current version.

1. Sign into concrete5.org
2. Go into your profile. Click on "My Downloads."
3. Re-download the zip file.
4. Unpack the zip file, and replace the packages/gallery/ directory in with the newly unpacked zip file.
5. Sign into your concrete5 site as an administrator.
6. Go to Dashboard > Add Functionality. Find the Gallery package, and click the "Edit" button.
7. On the resulting page, there should be another Edit button. Click it.
8. Finally, on this last page, click "Refresh."