You search for "Driver for Broadcom BCM43142." You find a forum post from 2018 that says "Fixed link here: bit.ly/drivercd-verify-broadcom."
If you encounter a Bitly link that claims to be verified but is clearly malicious, help the community by reporting it:
The term "verified" is often user-generated. A truly verified link should always point to an HTTPS domain owned by the hardware manufacturer.
Backup your emails securely and store them on your computer or hard drive.