Final answer:
Downloading private videos on Telegram without permission may violate Telegram's terms of service and copyright laws. If permission has been granted, you can use the download feature within the app. Users should respect the privacy and intellectual property rights when downloading any content.
Step-by-step explanation:
Downloading private videos on Telegram is a subject concerning ethical considerations and respecting the privacy and intellectual property rights of others. It should be noted that attempting to download videos that are private without the permission of the owner may violate Telegram's terms of service or even local laws regarding copyright and privacy. Generally, when a video is shared on Telegram, users are typically able to download it directly through the app by clicking on the download icon if the video has been made available for this purpose by the sender. However, private videos are usually restricted by the sender, and thus, downloading them would require permission from the creator or rights holder.
For videos that are not private or when you have been given permission to download, you can typically use the built-in download feature within the Telegram app. To do so, you tap on the video in question and then look for a download button or option, usually indicated by a downward-facing arrow icon. Once the download is complete, the video file would typically be saved in your device's storage, where you can access it outside of Telegram.
It is important to always consider the rights of content creators and the legality of downloading any material from the internet, including content shared on messaging platforms like Telegram.