ZDNet with a very objective and quantitative look at internet browser performance on Windows 10. And the results should not be that surprising to any avid internet user.
Great article from ZDNet with details on curing the Adobe security vulnerability on your PC. The options are to make Flash selectively run on your command or install completely. Keep in mind that a full uninstall will be your best protection option; but there are some times that you may still need to use Flash.