How can I insert a link ?

Answer 1

use <a> tag for link:
example:
<a href="https://www.youtube.com">click here</a>
like that.
Please use the search bar:
https://www.sololearn.com/discuss/1476284/?ref=app
https://www.sololearn.com/discuss/1249913/?ref=app
https://www.sololearn.com/discuss/86214/?ref=app

Answer 2

<a href="your link">Some text</a> HTML clickable link

Answer 3

<a href="#">Text</a>