You should follow these steps to watch and download Netflix Movies:
Firstly Download Netflix Activate App from the play store.
Now, Open Netflix App and select the movie That you want to download.
Click on the icon of download
When the downloading will start, Then you will see a blue strip at the bottom
When the downloading will be complete, Then you see That download icon has been changed to downloaded. To get to the My Downloads section, you need to click on the blue strip at the bottom.
When you are offline Officially, simply launch the Netflix app and go the section of My Downloads. From there you can Easily play your video and when done you can delete from your device.
In case of any query you can log on to Netflix.Com Tv Help.
If you are facing any technical issues while downloading moives Then you can get in touch with netflix help center for netflix help.