How to configure IPTV on the Roku box?

I- Search M3U Playlist Player

Go to Streaming IPTV channels
Go to Search channels
And search for M3U Playlist player
And select M3u Playlist player

II- Click on Go to channels

III- Select New Playlist

IV- Add your iptv m3u file to Roku

V- Add here your M3U URL and press SAVE

Wait to load channels
Restart your app
Select the playlist you are adding

You are now ready to watch channels from your Roku box.