To get started with Lnk.Bio you need to:
Create your Lnks within Lnk.Bio
Install (Add) Lnk.Bio in your Instagram account
Here's a quick Video summarising the above actions. Otherwise below you can find two more in-depth guides:
Step 1: Create Lnks
Add Lnks to your Lnk.Bio profile by following this guide.
Step 2: Install Lnk.Bio on Instagram
Once you've created your first few Lnks, you can install your Lnk.Bio URL on Instagram so that your visitors can see it.
Follow this guide to do so.