If you're looking for the "top" Primer 7 license key or the best way to obtain it legally and safely, the recommendation is to go through official channels. This guarantees not only the legitimacy of the software but also provides access to customer support, updates, and ensures you're compliant with software licensing agreements.
The Ultimate Guide to Primer 7 License Keys: Maximizing Your Multivariate Analysis primer 7 license key top
If you own a license for Primer 6, you can purchase an upgrade key at a lower cost than a new full license. If you're looking for the "top" Primer 7