New macbook air connected to wifi but no inter
MacBook connected to WiFi but no internet
MacBook Air 13″, macOS 10.15
Question marked as
Please read Connect your Mac to the internet using Wi-Fi followed by How to connect to the Internet with your Mac.
If they don't lead to an immediate solution then by all means contact Apple: Contact Support. A new Mac's purchase price includes 90 days of complimentary phone or chat support.