: Unlimited topics, no watermarks, and support for collaboration via Tiwri.com. Collaboration Server : Annual Subscription : Starts at ~$1,500/year. Perpetual : ~$7,000 for long-term server use. How to Acquire and Activate a License Key
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Obtaining a DR-EXPLAIN license key offers several benefits, including: : Unlimited topics, no watermarks, and support for
If you own an old version (e.g., Dr.Explain v4), you cannot use that key to unlock v6. Upgrade keys require an existing valid license to function. They are typically cheaper than a full new license. : Unlimited topics