Open Gmail and sign in
Click the gear icon in the top right
Select See all settings
Go to the Forwarding and POP/IMAP tab
Click Add a forwarding address
Enter the email address you want to forward to
Click Next
Click Proceed
Open the confirmation email sent to the forwarding address
Click the verification link or copy the confirmation code
Return to Gmail settings
Refresh the page if needed
Select Forward a copy of incoming mail to
Choose the forwarding address
Choose what to do with Gmail’s copy of the messages
Click Save Changes