If you add the WriQ add-on you'll first need to register your account
Select Yes if you're a teacher or No if you're a student (this can be changed in Settings if you selected the wrong account type)
If your Chrome username does not automatically populate in the first box:
You'll need to setup a Google+ account for the WriQ add-on to be able to authenticate your Google account.
To setup a Google+ account please click the link below:
Once you setup a Google+ account or if you already have a Google+ account, clear your Chrome cache and cookies by copy and pasting chrome://settings/clearBrowserData into the Chrome address bar
The Clear browsing data window will open.
Select All time for the Time range, then tick Cookies and other site data and Cached images and files
Click Clear data
Refresh the Google Doc and bring up the WriQ add-on again