To get your Omni app set up on another Mac, you’ll first need to determine where you purchased the app from. If you don’t recall, follow the instructions in “How to tell if you purchased from our store or the Mac App Store”.
Omni Store customers
Have your license information handy. If you don’t have a copy of your license information or original sales invoice (which includes your license info), use our Lost Licenses page to resend it.
Go to the Omni Group Downloads page to find download links for the latest versions of our apps, as well as select previous versions. Download the same app version mentioned in your sales invoice—for example, an OmniGraffle 6 license can be used in all v6 releases, but will not be accepted in OmniGraffle 7.
If you’d like to upgrade your license to a newer version, we’re happy to offer upgrade discounts in our web store.
Install the app in your Applications folder.
Open the app, and add your license.
If you no longer wish to use the Omni app on your old computer, you may delete the license key, and drag the application to the Trash to uninstall it.
Mac App Store customers
If you purchased from the Mac App Store, follow the instructions in “How to reinstall apps purchased from the Mac App Store”.
If you no longer wish to use the Omni app on your old computer, you may uninstall the app from that computer using the Launchpad to delete the app and all associated files.