Tap the floating red or yellow Download arrow asset usually found at the bottom right of the video preview.
If you are specifically seeking an older version like 42.2, it is likely due to: snaptube android 42 2
Additionally, some modern video formats (e.g., YouTube's newer DASH streams) might not parse correctly on old SnapTube versions. You may occasionally see "No link found" errors. Tap the floating red or yellow Download arrow