Login and use the Complete the Set bundles below to add Fantasy Grounds Unity to your account. You will get 50% off on the upgrade and an extra 20% off Fantasy Grounds Unity. You won't have to rebuy anything you already own.
Fantasy Grounds Classic is no longer receiving updates or new DLC releases, so it's a great time to upgrade and get in on the improved version.
If you have a Standard license, use this bundle
https://store.steampowered.com/bundle/13834/Upgrade_from_Fantasy_Grounds_to_Fantasy_Grounds_Unity_Standard_license/
If you have an Ultimate license, use this bundle
https://store.steampowered.com/bundle/15993/Upgrade_from_FG_Classic_to_FG_Unity_Ultimate_license/
If you have Standard of FG Classic and want to move to Ultimate of Fantasy Grounds Unity, just use the Standard upgrade and then pick up the Ultimate DLC separately.