Below are steps to Install Hotstar on Samsung Smart TV.
Note: You need to Hotstar Premium Account.
Step 1: Start Samsung Smart TV and select the Smart Hub button.
Step 2: On the menu, click Apps, and then click Search.
Step 3: Search for Hotstar using the on-screen keyboard and select the app.
Step 4: To install Hotstar on a Samsung Smart TV, click Install.

Step 5: Start the Hotstar app by selecting Open, then choose My Account.
Step 6: On the TV screen, an Activation Code appears. Visit the Hotstar website.
Step 7: Verify your number by entering your phone number.
Step 8: Click on Continue to activate the app after entering the Activation Code.
Step 9: Samsung Smart TV allows you to select the content you want to watch.