Want to watch NOW TV on your Mac? No problem. You’ll just need OSX 10.9 (Mavericks) or later to be able to install our NOW TV Player.
You'll need a NOW TV account too, so if you don't have one already, first start a free trial or buy a Pass.
Silverlight is a cross-browser, cross-platform plug-in for delivering the next generation of Microsoft.NET-based media experiences and rich interactive applications for the Web. Follow the steps below to install the Silverlight plug-in on your Mac computer. Open Netflix and select any title to play. When a Silverlight dialog box opens, select Install Now. Open the Downloads page and double-click on Silverlight.dmg. For Safari, the Downloads page is.
How to install the NOW TV Player
Step 1
To trigger the Player download, you’ll need to choose something to watch. Head over to the NOW TV site, find a show, movie, sporting event or kids’ show, and hit play.
You’ll then be prompted to download the Player.The NOW TV Player will download to wherever you’ve set as your preferred download location (the default on a Mac is the Downloads folder).
Help tipIf you accidentally clicked I've already got this but you don't already have the Player installed, don’t worry – you can download the Player here instead.
Step 2
The file will start downloading:
Open the downloaded file and it will start installing:
Step 3
Drag and drop the Now TV Player into your applications folder.
Step 4
The first time you launch the NOW TV Player, you’ll see a message like this (it may look slightly different, depending on your browser). Just select Open:
Next time you watch...
The next time you go to watch something on the NOW TV site, your computer should remember you’ve already installed the NOW TV Player and start playing straight away. If it doesn’t, and you see this screen again, just click
I’ve already got this 
Install Silverlight For Mac
to continue.Microsoft Silverlight For Mac