How to Open multiple gmail accounts without logging out from the old one

How can i Open multiple gmail accounts without logging out from the old one in chrom开发者_StackOverflow社区e browser

Before you use to use private browsing mode but going forward....... you can use multiple login feature provided by Google, which will allow you to have multiple accounts login to the same browser.

You can read the complete details here about how to do this. Google Multiple Sign-in option

You can use incognito windows (shortcut: Ctrl+Shift+N). For every incognito window (not tab), you can log into one Gmail account.