Go to Google's Chrome store, find Flashissue and install the extension - click h ere.
Note: you need to be using the Google Chrome web browser to install the extension. You can download for free from Google.
When prompted follow these steps to install the Chrome extension.
Step 1: Install extension from the Chrome Store.
Step 2: Agree to permissions
Step 3: Complete the Intro product tour
The intro tour for Flashissue should start running and you should be directed to the Flashissue editor
Step 4: Returning to Flashissue
You can access Flashissue by using the blue button or the menu on the left side.