Hi Debra, Thank you for posting your question in the Microsoft community. I understand that to play some DVD's ordered from NetFlix the Interactual Media player is needed. You wish to know if it is safe to download and use this software. Let me know if this understanding is incorrect. Unfortunately we will be not able to help you on this as the product is a third party.
Disclaimer: Using Third Party Software, including hardware drivers can cause serious problems that may prevent your computer from booting properly. Microsoft cannot guarantee that any problems resulting from the use of Third Party Software can be solved. Using Third Party Software is at your own risk.
I would suggest that you post this question in the NetFlix support as they would be better suited to help you. Refer the link and post the question. Let us know if you have any other question. Vinod Archak Forum Moderator.
UpdateStar is compatible with Windows platforms. UpdateStar has been tested to meet all of the technical requirements to be compatible with Windows 10, 8.1, Windows 8, Windows 7, Windows Vista, Windows Server 2003, 2008, and Windows XP, 32 bit and 64 bit editions. Simply double-click the downloaded file to install it. UpdateStar Free and UpdateStar Premium come with the same installer.
Interactual Player 2.7 Download
UpdateStar includes such as English, German, French, Italian, Hungarian, Russian and. You can choose your language settings from within the program.