Adobe Flash Player Support Center
Debug Downloads
http://www.adobe.com/support/flashplayer/debug_downloads.html
Internet Explorer
https://fpdownload.macromedia.com/pub/flashplayer/updaters/26/flashplayer_26_ax_debug.exe
Firefox
https://fpdownload.macromedia.com/pub/flashplayer/updaters/26/flashplayer_26_plugin_debug.exe
Opera and Chromium based applications
https://fpdownload.macromedia.com/pub/flashplayer/updaters/26/flashplayer_26_ppapi_debug.exe


Download Flash Player 26.0.0.129 Beta
June 14, 2017
http://labs.adobe.com/downloads/flashplayer.html
Internet Explorer
https://fpdownload.macromedia.com/pub/labs/flashruntimes/flashplayer/install_flash_player_ax.exe
Firefox
https://fpdownload.macromedia.com/pub/labs/flashruntimes/flashplayer/install_flash_player.exe
Opera and Chromium based applications
https://fpdownload.macromedia.com/pub/labs/flashruntimes/flashplayer/install_flash_player_ppapi.exe