I can't Install FlexiCaptureEngine Activity

I’ve watched a video on how to extract and verify Abbyy Document in UiPath. I want to recreate that but I cant see the package his using (screenshot below) in package manager. Any Idea?
image

‘UiPath.Flexicapture.Activities’ is available under UiPath Beta. If you don’t have the source configured already under ‘Manage Packages’, configure as below:

You should then be able to install the related activities.

Thanks,
Rammohan B.