SelectSecurityin the left sidebar.

SelectApp passwordsunder theSigning into Googlesection.

You’re then asked to confirm your Gmail login credentials.

Manage your Google Account in Gmail

If you don’t seeApp passwordsas an option, you must firstturn on 2-Step Verification for Gmail.

UnderSelect app, chooseMailorOther (Custom name), then select a gadget.

It’s best practice to use an app-specific password only for a single service.

Security in Google Account settings

You are free to generate as many app-specific passwords as you like.

Besides your Google account, you shouldset up two-factor authentication for your social media accounts.

App passwords in Google Account settings

Mail and Select a Device in Google App password settings

Generate in Google App Passwords

Done in Google App Passwords