Internet Explorer:
http://fpdownload.macromedia.com/get/flashplayer/current/licensing/win/install_flash_player_10_active_x.exe
Firefox, Safari, Opera:
http://fpdownload.macromedia.com/get/flashplayer/current/install_flash_player.exe
linux:
http://fpdownload.macromedia.com/get/flashplayer/current/install_flash_player_10_linux.tar.gz