> UpGrading ScreenFlow
> When ScreenFlow encounters a major upgrade, it presents an interactive dialogue that invites you to evaluate the new version. Click Try Now to download the evaluation version.
> After you have decided to try the evaluation version, you are shown a secondary prompt to make it clear that you are downloading an evaluation. Click Continue to continue on in the upgrading process. (Notice that the Continue button is not the default.)
> After clicking Continue, the download and installation begins, and the new version of ScreenFlow will be installed on you computer.