I can't get beyond adding gmail to my apple mail program. The authentication window does not open.

june3603 wrote:

When trying to add gmail to my apple mail, I can't get the authentication window to open. Any solutions?

Verify you have Safari set as the "default" browser and try again—

Make Safari your default web browser on Mac - Apple Support

I did had similar problem, had to quit both safari & mail. Then open only mail and tried to login, which helped to get the authentication window in safari.