In just a few clicks, you'll discover how to get it:
- Open you Steam Profile page (left click on your nickname at the top panel)
- Right-click anywhere on the page
- Select "Copy page URL"
To make sure your Steam ID is displayed:
- At the top-left panel click on "Steam"
- Select "Settings"
- Go to "Interface"
- Mark the "Display web address bars when available" and click "Ok"
Congratz! Whenever our admin ask you about Steam link, you will be always ready to share it.