I was notified that I was approved!
First, I'd make sure that you're getting the latest, authentic installer for Flash Player by navigating directly to our download site with the browser you want to use.
Go here: https://get.adobe.com/flashplayer/
Once you've downloaded the installer, run it.
If the installation fails, see the following:
If you haven't rebooted yet, that's a great place to start. At minimum, it will eliminate a bunch of potential roadblocks for other steps.
If rebooting doesn't help, please see the installation troubleshooting guide for your platform:
Links to the offline installers are at the bottom of the guide.
Collecting and posting the logs would help us improve the product, and the links to the offline installers at the bottom of the guide should get you going.