How do I install or upgrade Adobe Flash Player?

Go to Adobe’s Flash Player download page and download the Flash installer. Caution: Adobe’s download page may include a checkbox for optional software (such as Google Chrome or McAfee Security Scan) that is selected by default.
For More Information Please Refer:
https://support.mozilla.org/en-US/kb/install-flash-plugin-view-videos-animations-games#:~:text=Go%20to%20Adobe’s%20Flash%20Player%20download%20page%20and,McAfee%20Security%20Scan)%20that%20is%20selected%20by%20default.
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