The license fee is a one-off fee, and entitles you to use a particular version of the product in one single MediaWiki site.
- You can always upgrade to a license which supports an unlimited number of users, and you only pay the difference.
- You can always upgrade to a higher license, and you only pay the difference.
- You have a one year guarantee that covers errors of the product.
- You have the right to obtain Minor Releases of the products: e.g. if you have obtained a license for version 2.0.0, then you have access to version 2.0.1 but not to 2.1.0.
- If you want to get access to new major releases, then you require the Software Insurance.