Clear your browser history & cache and open an incognito window -- Instructions here.
To Clear Your Chrome Browser History
On your computer, open Chrome.
At the top right, click More.
Click History and then History.
On the left, click Clear browsing data. A box will appear.
From the drop-down menu, select how much history you want to delete. To clear everything, select the beginning of time.
Check the boxes for the info you want Chrome to clear, including “browsing history."
Click Clear browsing data.
To Open an Incognito Window
Open Chrome.
At the top right, click More More and then New Incognito Window.
A new window will open. In the top corner, check for the gray Incognito icon Incognito mode.
You can also use a keyboard shortcut to open an Incognito window:
Windows, Linux, or Chrome OS: Press Ctrl + Shift + n.
Mac: Press ⌘ + Shift + n.