Make your landing page

Your own page, on your own link.

Steps:

Tap your photo at the top
On a computer, tap Profile on the left.
Tap Landing Page
Your page settings open over a live preview.
Open Page style and tap Classic
Or pick another look. You can switch any time.
Open Top photo and tap Add photo
Pick a big, bright photo of you.
Open Profile picture, tap Upload custom image, then Upload image
Open Your one-liner and type what you do
Open About you and write a few lines
Open Your links and tap the pink Instagram icon
Paste your Instagram link in the box.
Tap Save Changes
Your page is now live on your link.

Change anything later. Your link stays the same.