Step 1. Import iTunes Movie Downloads to DRmare
Launch DRmare iTunes to Chromecast Converter and click Add Files button to import iTunes videos.
Step 2. Customize Output Format
To Cast iTunes movies and TV shows to Chromecast, you are suggested to choose the output format as Lossless MP4 from the profile list.
Step 3. Start to Convert iTunes M4V Videos
Click the Convert button in the lower right corner to start converting the iTunes movies to Chromecast compatible MP4.
Step 4. Plug Chromecast Streaming Stick to HDTV
Firstly, plug Chromecast into your TV's HDMI port and you'll be directed to the Chromecast setup page. Follow the instructions to set it up.
Step 5. Download Google Cast Extension for Chrome Browser
If you have already installed Cast for your Chrome, you can skip this step. If not, please go to Chrome Web Store to search Google Cast and download it for installing on your Chrome browser.
Step 6. Add iTunes Movies to Chrome for Playing
With a Chrome browser open, hit CTRL+O for PC or Command+O for Mac and locate the converted iTunes videos you wish to play via Chromecast. You can also copy & paste the path of the video file in the Chrome browser address bar. Right click on the video file > Properties > Security Tab > Copy Full video path > Paste in the Chrome browser.
Step 7. Begin Casting iTunes Videos to Chromecast
Click 'Cast this' tab button in the Chromecast streaming menu located on the right side of Chrome address bar. Then the playing iTunes movies will be mirrored to your HDTV. You can freely watch and control it in any way you like.