It is very easy to update Mailster to the latest version as long as you have checked that it is compatible to your environment (see system requirements).
- First make a full backup of your site. This means backing up all files and your database as well. Although nothing should go wrong while updating it is never a bad idea to be prepared in case something goes wrong.
- Do NOT uninstall the previous installation. If you would uninstall it, then all existing data (mailing list configurations, users, groups, email archive) were removed.
- Deactivate all Mailster plugins (you can leave your Mailster modules enabled)
- Simply install the new release over your current installation like shown in the previous installation steps.
- Re-activate all Mailster plugins
- Done!
Do not downgrade the release
Please note that it is not possible to downgrade from a later version to a previous version. For example: you must not install version 1.0 over an installation of version 1.1. This leads to unforeseen events.
This does not mean that you are not able to downgrade from a higher product edition (e.g. Mailster Ultimate) to a lower product edition (Mailster Business). This is possible of course.
Changing the product edition
You can always move from a product edition (e.g. Mailster Free) to another (e.g. Mailster Essential) by simply installing the new product edition over your current installation.