Nowadays Google chrome is most favorable browser, but mostly we use these browser as a desktop mode. After Microsoft released windows 8, then in march 2012 Google announced chrome both as windows 8 mode and desktop mode. So we have a both option for using Google chrome.
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How To Launch Google Chrome as a Windows 8 App
Click on the chrome customization option or chrome menu and Select Relaunch Chrome in Windows 8 mode to launch chrome in windows 8 mode.
You can also get back desktop mode by selecting Relaunch Chrome on the desktop mode.
How To Switch Between Normal Window and Incognito Window
After opening incognito window you will see the windows switch option on the top right corner to switch between normal window and incognito window.