Content is editable within two days of publishing Telegram desktop app: In the upper left corner, click the Menu icon (the one with three lines). Select “New Channel” from the drop-down menu. You can invite up to 200 people from your contacts to join your channel as the next step. Select the users you want to add and click “Invite.” You can skip this step altogether. The Channel name and bio must be no more than 255 characters long How to create a business channel on Telegram? (Tutorial)
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