You can play TS files using VideoLAN’s VLC Media Player, a free and open-source media player for all platforms. To open a TS file in VLC; Step 1: Download and set up VLC Media Player. Step 2: Open the “Media” menu and hit “Open File…”. Step 3: Navigate to the folder containing the TS file. Step 4: Select the TS file and hit “Open” or just double-click to open it.