New Video: App-V 4 Versus 5 Here is my attempt to explain the differences between App-V before version 5 and version 5. It is a 16 minute video to explains the main differences at the client and how this affects your ability to deploy applications. Click to view MP4 video in HD By Tim Mangan Tim is a Microsoft MVP, and a Citrix CTP Fellow. He is an expert in App-V and MSIX. View all of Tim Mangan's posts.