以下地址是一直保持最新的。
for Internet Explorer - ActiveX：
http://fpdownload.macromedia.com/pub/flashplayer/latest/help/install_flash_player_ax.exe
for Firefox - NPAPI：
http://fpdownload.macromedia.com/pub/flashplayer/latest/help/install_flash_player.exe
for Opera and Chromium-based browsers - PPAPI：
http://fpdownload.macromedia.com/pub/flashplayer/latest/help/install_flash_player_ppapi.exe
（安装了上面这个PPAPI程序，最新版的Chrome浏览器就支持国内视频网站的播放了。）
插件卸载程序：
http://download.macromedia.com/get/flashplayer/current/support/uninstall_flash_player.exe

参考页：
https://helpx.adobe.com/flash-player/kb/installation-problems-flash-player-windows.html#main-pars_text_4
播放器：
http://www.adobe.com/support/flashplayer/debug_downloads.html