Early in December, Adobe launched the first beta of Flash Player 10.2, which was aimed at reducing processor load with a new feature called “Stage Video” that promised to rely on the GPU instead.

[TUAW via Adobe] Launching Flash Player 10.2 Beta We’re happy to announce a beta release of Flash Player 10.2 for Windows, Mac, and Linux is now available for download on Adobe Labs. Flash Player 10.2 ...

So, if you are running a Windows 10 computer, you can have up to 4 copies of Adobe Flash Player: one for Internet Explorer, one for Microsoft Edge, one for Firefox, and one for Opera, respectively.