Grass Valley officially stopped supporting EDIUS 7 in 2018. Even with a legal key, you may face issues on Windows 10/11 due to driver signing changes or QuickTime dependencies.
If you’ve lost track of your key but the software is still installed, you can retrieve it using these methods: eID Web Site : The most reliable way is to log into your official EDIUS ID (eID) account . Under the License List section, you can see every serial number linked to your ID. GV License Manager edius 7 serial number list