Resolve needs to "phone home" to Blackmagic’s servers occasionally to verify the license. If a firewall, DNS setting, or aggressive ISP filter blocks this connection, the software may default to asking for the key again.
| | Details | | :--- | :--- | | Lifetime license | One‑time purchase covers all future updates. No subscription required. | | Two‑machine limit | A single key can activate two computers simultaneously. | | Third‑machine activation | Activating a third machine deactivates the oldest installation automatically. | | Hardware changes | Major hardware upgrades or OS reinstalls may count as new machines. | | Dongle option | Older licenses use USB dongles; new licenses are key‑based only. | davinci resolve keeps asking for activation key verified