To save a post, tap

below it from your Instagram feed or from a profile. To save a reel, tap

then tap
Save.
When you save a post, it's visible to you from a private section of your profile.
Seeing posts you've saved
To see posts you've saved and the collections you've created:

Instagram app for Android and iPhone
Tap

or your profile picture in the bottom right to go to your profile.
- Tap
, then tap
Saved.
Only you can see the posts you've saved. When you save someone's post, they're not able to tell that you've saved it.