We will be unlocking the game's installer at 8:01 a.m. PDT on May 14. This will allow you to begin installing the game, troubleshoot any issues you run into, download and install the launch day 1.0.1 patch, and be ready to play as soon as the servers come online.
NZ - 3.01 am, May 15
Aus East - 1.01 am, May 15
Aus Central - 12.31 am, May 15
Aus West - 11.01 pm, May 14
You have 16 hours to install, patch or troubleshoot errors before the game goes live.
US patch will be less than 100MB.
I'd need to check on what the exact size ended up at, but I know it's less than 100MB.
For other languages, it is up to 1GB.
It depends on the language you are using.
But can reach up to 1 GB!
If you get stuck on downloading, installation or patching, please use tech support:
Battle.net D3 Technical Support: