Open Google Chrome and click on menu button (three horizontal lines at the top-right corner of screen).
Click "Settings" option from the menu list. Scroll down and click "Add person" button under "People" section. After this, a pop up box will appear.
Type the name of user and choose a picture. Make sure to tick mark "Create a desktop shortcut for this user" option.
Finally click "Create" button and you've done it. You can switch between different users any time. To do this, click the current person name at the top-right corner of browser screen (left to the buttons from where you resize and close the window). Now click "Switch person" option. A new window will open as shown in below picture. Them, Select the person you want to switch