Once you have a valid key:
Why invest in a license key when a free version exists? Here is a detailed comparison to help you decide.
Dr.Explain is a professional documentation tool used to create help files, user manuals, and online manuals. To unlock the full version and remove watermarks from your exported projects, you need a valid . How to Get and Use a Dr.Explain License Key
DR Explain is a registered trademark. This article is for informational purposes and is not official documentation. Always refer to the official DR Explain user manual for the latest licensing terms.
For perpetual licenses (one-time purchase for a specific major version, e.g., DR Explain v3.0), there is no renewal. However, you will need to purchase a new license key to upgrade to v4.0.