DRM, aka Digital Rights Management, is any technology that is built into an electronic product or service with the aim of limiting its range of uses after purchase. It's widely added to videos in iTunes Store by Apple to protect digital media content and prevent piracy.
Once you purchased a video from iTunes Store and downloaded to local, it's still DRM protected - only be able to play on this authorized computer. Therefore, DRM is still a big trouble if you need to transfer iTunes DRM videos to play on media players, TV sets connected to Roku via Plex. (Read Top 4 Reasons to Remove DRM)
How to solve it?
Pavtube ChewTune(Top 10 DRM Removal Review) is designed as a professional DRM removal on Windows PC. With simple interface and reliable video quality, ChewTune helps you remove DRM protection on purchased iTunes video, transcode it to most suitable video format for viewing on Roku via Plex.
Free download iTunes to Roku Converter:
(Click here for Mac OS X 10.5)
How to stream iTunes Purchases and Rentals to Roku via Plex?
Step 1: How to convert iTunes DRM videos
Run the iTunes DRM removal on PC and click "File" > "Add Video/Audio" to import iTunes movies and music for DRM removing.
Step 2: How to transcode iTunes purchased video to suitable format
The output format depends on the device and video player with which you want to play the iTunes movies and music. You can pick "Common Video > Same as the source video (*.mp4)" as most compatible format. By choosing this preset, all the video frame rate, bitrate, resolution will keep as original; only video format changed.
Click the "Start convert" button in round shape located in bottom right corner to start removing iTunes DRM and convert iTunes M4V and M4A to MP4, AVI, FLV, MOV, MP3, WAV, AAC, and more.
Step 3: How to stream media files to Roku via Plex
After removing DRM form iTunes movies and converting iTunes DRM video to MP4, you can copy the DRM free iTunes movies to local drive, or stream to Roku via Plex for playback without limitations.