Use the YouTube app’s offline download feature if available in your region and plan
Open the YouTube app and sign in
Find the video you want to save
Tap Download below the video
Select the video quality
Wait for the download to finish
Open the YouTube app Library or Downloads section to watch it offline
If you want it in your phone gallery, use a video downloader app that saves files to storage
Open the downloader app and paste the YouTube video link
Choose the video format and quality
Download the video to your device storage
Open your phone’s Files app or Gallery app to find the saved video
On Android, check the Downloads folder or Videos folder
On iPhone, save the downloaded file to the Files app and then move it to Photos if supported
Make sure you have enough storage space before downloading
Only download videos you have permission to save
Follow YouTube’s terms of service and local copyright laws