To add the CBS All Access app, just use these steps:
1. Make sure your Samsung Smart TV is connected to the internet.
2. Press the Smart Hub button
on your Smart Control remote to go to the Samsung Home screen.
3. Scroll to and select Apps, and then select the Magnifying Glass icon.
4. Enter "CBS All Access" using the onscreen keypad and then select "Done".
5. Select the CBS All Access app and then choose "Download".
6. Once installed, select "Open" to begin using the CBS All Access app.