Use the tabs at the top: Channels, Movies, or Series. Then click any category name to open all content inside it.

Click directly inside the name field, change the text, then click outside the field or press Enter. The editor saves the change automatically.

Use the checkbox beside each item. You can also use Select category or Unselect category to update a full category at once.

After finishing edits, click Download to download the final playlist or Get M3U to copy the final M3U link.