Here is a short list of some awesome threads I found on twitter that will help you get started with ENS:
By DR3A.ETH
Ultimate ENS beginners guide
https://twitter.com/dr3a_eth/status/1564375563002847235?s=20&t=YeEQZo3BqtS93r3912UvnA
ENS helpful tools/sites updated
https://twitter.com/dr3a_eth/status/1564328991854567426?s=20&t=YeEQZo3BqtS93r3912UvnA
Buying ENS names on secondary
https://twitter.com/dr3a_eth/status/1565742980698365956?s=20&t=YeEQZo3BqtS93r3912UvnA
How to add an avatar on your ENS
https://twitter.com/dr3a_eth/status/1564767973088305153?s=20&t=YeEQZo3BqtS93r3912UvnA
By ENSGROWS.ETH
ENS WEEKLY UPDATES
https://twitter.com/EnsGrows/status/1563305095831638018?s=20&t=YeEQZo3BqtS93r3912UvnA
How I created a @rainbowdotme wallet and created an ENS profile
https://twitter.com/EnsGrows/status/1565403053112557569?s=20&t=YeEQZo3BqtS93r3912UvnA
Please follow DR3A.ETH and retweet.
Thank you