How to enable google chat in gmail
it is easy to enable google chat in gmail
Just follow few tips and your Google Chat activated on your gmail account
Turn Chat on or off in Gmail on desktop
On your computer, open Gmail.
At the top right, click Settings "" and then See all settings.
At the top, click Chat and Meet.
Next to “Chat,” to turn Chat on or off in Gmail, select Google Chat or Off.
You can move the Chat panel to the right or left side of your Gmail inbox.
Click Save Changes.