How to make links:
1. Go to the website you want to link to.
2. Go to the address bar (that's the bar with the website in it) and highlight the entire thing.
3. Right-click and click Copy. (You can also press Ctrl and C at the same time)
4. Go to your post.
5. Right-click and click Paste. (You can also press Ctrl and V at the same time)
6. Post.