Windows, Firefox, Safari, Opera - NPAPI
http://anonymz.com/?http://fpdownload.adobe.com/get/flashplayer/pdc/18.0.0.232/install_flash_player.exe

Windows, Internet Explorer - ActiveX
http://anonymz.com/?http://fpdownload.adobe.com/get/flashplayer/pdc/18.0.0.232/install_flash_player_ax.exe

Windows, Chromium-based browsers - PPAPI
http://anonymz.com/?http://fpdownload.adobe.com/get/flashplayer/pdc/18.0.0.232/install_flash_player_ppapi.exe

All Systems
http://anonymz.com/?http://get.adobe.com/flashplayer/