If your me and you got a pre-order for a physical copy you'll need this. Thank me later
Windows:(!empty($user->lang['CODE'])) ? $user->lang['CODE'] : ucwords(strtolower(str_replace('_', ' ', 'CODE'))):
http://us.media.battle.net.edgesuite.net/downloads/d3-installers/589acdb4-c660-318a-b993-01528fad7da6/Diablo-III-8370-enGB-Installer-downloader.exe">enGB
http://us.media.battle.net.edgesuite.net/downloads/d3-installers/589acdb4-c660-318a-b993-01528fad7da6/Diablo-III-8370-enUS-Installer-downloader.exe">enUS
http://eu.media.battle.net.edgesuite.net/downloads/d3-installers/589acdb4-c660-318a-b993-01528fad7da6/Diablo-III-8370-enSG-Installer-downloader.exe">enSG
http://us.media.battle.net.edgesuite.net/downloads/d3-installers/589acdb4-c660-318a-b993-01528fad7da6/Diablo-III-8370-deDE-Installer-downloader.exe">German/deDE
http://eu.media.battle.net.edgesuite.net/downloads/d3-installers/589acdb4-c660-318a-b993-01528fad7da6/Diablo-III-8370-esES-Installer-downloader.exe">Spanish/esES
http://eu.media.battle.net.edgesuite.net/downloads/d3-installers/589acdb4-c660-318a-b993-01528fad7da6/Diablo-III-8370-frFR-Installer-downloader.exe">French/frFR
http://eu.media.battle.net.edgesuite.net/downloads/d3-installers/589acdb4-c660-318a-b993-01528fad7da6/Diablo-III-8370-itIT-Installer-downloader.exe">Italian/itIT
http://eu.media.battle.net.edgesuite.net/downloads/d3-installers/589acdb4-c660-318a-b993-01528fad7da6/Diablo-III-8370-plPL-Installer-downloader.exe">Polish/plPL
http://eu.media.battle.net.edgesuite.net/downloads/d3-installers/589acdb4-c660-318a-b993-01528fad7da6/Diablo-III-8370-zhTW-Installer-downloader.exe">Taiwan Mandarin
http://eu.media.battle.net.edgesuite.net/downloads/d3-installers/4630e16d-fb47-292c-17a5-400bc470ce51/Diablo-III-8370-koKR-Installer-downloader.exe">Korean/koKOR
http://eu.media.battle.net.edgesuite.net/downloads/d3-installers/589acdb4-c660-318a-b993-01528fad7da6/Diablo-III-8370-esMX-Installer-downloader.exe">Spanish/esMX
http://eu.media.battle.net.edgesuite.net/downloads/d3-installers/589acdb4-c660-318a-b993-01528fad7da6/Diablo-III-8370-ptBR-Installer-downloader.exe">Portuguese/ptBR
MAC(!empty($user->lang['CODE'])) ? $user->lang['CODE'] : ucwords(strtolower(str_replace('_', ' ', 'CODE'))):
http://eu.media.battle.net.edgesuite.net/downloads/d3-installers/589acdb4-c660-318a-b993-01528fad7da6/Diablo-III-8370-enUS-Installer-downloader.app.zip">enUS
http://eu.media.battle.net.edgesuite.net/downloads/d3-installers/589acdb4-c660-318a-b993-01528fad7da6/Diablo-III-8370-enGB-Installer-downloader.app.zip">enGB
http://eu.media.battle.net.edgesuite.net/downloads/d3-installers/589acdb4-c660-318a-b993-01528fad7da6/Diablo-III-8370-enSG-Installer-downloader.app.zip">enSG
http://eu.media.battle.net.edgesuite.net/downloads/d3-installers/589acdb4-c660-318a-b993-01528fad7da6/Diablo-III-8370-deDE-Installer-downloader.app.zip">German/deDE
http://eu.media.battle.net.edgesuite.net/downloads/d3-installers/589acdb4-c660-318a-b993-01528fad7da6/Diablo-III-8370-frFR-Installer-downloader.app.zip">French/frFR
It is just a download of the installer files. Clicking on install will give you the message: The fire from the sky still falls. Diablo III has not yet launched.
Pro-tip: If you have slow speeds from the Blizzard downloader even if you have a higher speed internet, do the following:
Go into Internet Explorer(Yes, IE, not Firefox or Chrome even if you use those usually) go into the "Options" menu, then to "Connections", in the Connections window you press "LAN-Options", in that window you uncheck every box available. Then just press OK and quit IE again. When i did this neat little trick, i went from around 150kb/sec to my full internet speed at 14mb/sec.
TLDR; * IE -> Options -> Connections -> LAN-Options -> Uncheck all boxes -> Profit