1. Click on Chrome on the top left Corner, then click on Preferences
2. Scroll down to the bottom of the page and click on Advanced
3. Under Privacy and security, click on Content settings
4. Find the setting labeled “Flash”, click on it, and make sure the setting “Allow sites to run Flash” is turned on and "Ask First" is turned off. On some versions of Chrome, it may say "Run only important content" instead of "Ask First"