Because Windows 10 embeds Adobe Flash in its Microsoft Edge web browser, the company is pushing out the update on its own.
The company is doing the same for Internet Explorer 11 for Windows 8.1, which also embeds Flash in the browser.
Here are a few other links that could help as well.
Your browser may prompt you to update your Flash Player.
If this is the case, simply follow the update directions through your browser.
If not, please follow the directions on the Uninstall Flash Player for Mac OS: This will automatically install the Flash version that is compatible with our program.
Updating Flash Player manually is more difficult than it should be. Occasionally, Flash gets blocked by Apple because a security hole has been discovered in Flash.
There are a number of contributing factors, but one reason is that people successfully download the Flash Player update, but they don’t know that they need to locate this update on their Mac and install it. Tip: If you use the Google Chrome web browser it relies on it’s own version of the Flash Player so if Adobe Flash Player isn’t working in Safari or Firefox, you could use Google Chrome instead, at least temporarily.
All other versions of Windows need to manually download the latest version of Flash to get the security updates.
Adobe Flash Player lets web browsers like Safari and Firefox play Flash video files that appear on many web sites. Flash version 11.3 and higher have an automated process, but this doesn’t always work or you might have disabled this feature.
Microsoft is pushing out an unscheduled update Windows 10 to fix a "critical" security issue that was discovered this week Adobe Flash Player.
According to Adobe's support page, the company discovered a large number of security bugs in Flash "that could potentially allow an attacker to take control of the affected system." One of these security bug has already been reported as being exploited.
Here are instructions for updating the copy of Flash Player on your Mac.These instructions should work with Flash version 10.3 or higher and OS X 10.6 or higher.