In Google Chrome browser, click the customize button on the far right and choose New incognito window.
A new browser window opens. This is now your private browsing window, all the websites you visit will not be tracked, browsing and search history will not be saved .
All the tabs you open in this are going to be in the so called incognito mode, notice the incognito icon in the left upper corner of the Chrome window. In other windows you can browse in the normal mode.