Flash Enabler Extension for Google Chrome
Download Flash Enabler by clicking here
 

   1. After clicking the "Flash Enabler Extension" link above, click "Add to Chrome"

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   2. Click Add extension
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To enable Flash, follow the instructions below:

Click on the Lock Secure button near the upper left corner of the screen to open the site settings menu
Choose Allow from the dropdown next to the word Flash
Click the x on the site settings menu OR click out of the menu

 Note: You will have to complete these same steps every time you re-open the browser.

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   4. Click Reload to apply the updated settings when prompted to do so. Flash will be enabled until you quit Chrome.

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This article taken from https://www.help.k12.com/s/article/Enabling-Flash-in-Chrome-69