The link below will take you to the most up to date instructions:

https://support.google.com/chrome/answer/2364824?co=GENIE.Platform%3DDesktop&hl=en

Share Chrome with others

With profiles, you can keep all your Chrome info separate, like bookmarks, history, passwords, and other settings.

Profiles are ideal for:

Sharing a computer with multiple people.
Keeping your different accounts, like work and personal, separate.

What others can see when you share Chrome

Only share your device with people you trust. If someone has your device, they can switch to any other Chrome profile on it. If they open your Chrome profile, they can see info like what websites you visited.

Add a new profile

On your computer, open Chrome.
At the top right, click Profile .
Click Add.
If you choose to Sync to your Google Account, your profile name will automatically be your Account name.
Choose a name, photo and color scheme.

If you choose to turn sync on in Chrome with a Google Account for the new profile, your bookmarks, history, passwords and other settings will sync automatically.

Using a Chromebook? You can share your Chromebook with other people by adding them to your Chromebook.

Switch to another profile

On your computer, open Chrome.
At the top right, click Profile .
Choose the profile you want to switch to.

Using a Chromebook? You can use multiple accounts at the same time on your Chromebook.

Change a name, photo, or color

On your computer, open Chrome.
At the top right, click Profile
Next to "Other Profiles," select Manage profiles
At the top right of the profile you want to edit, click More Edit.
Enter a new name or choose a new photo or color theme. Changes are saved automatically.

Remove a profile

After you remove a profile from Chrome, the profile's bookmarks, history, passwords, and other settings are erased from the computer.

On your computer, open Chrome.
At the top right, click Profile .
Select Manage profiles .
Point to the profile you want to remove.
At the top right of the profile, click More Delete.
To confirm, click Delete.