Open the tweet containing the GIF
Click the share icon or copy the tweet link
Open a GIF downloader website or app
Paste the tweet link into the downloader
Download the GIF or video file to your device
If the file downloads as video, convert it to GIF using a converter
Save the final GIF to your gallery or files
On mobile, use a browser or app that supports downloading media
On desktop, right-click the media if download options are available
If needed, use screen recording and convert the recording to GIF