I have a relatively slow Internet connection (1.2 Mbps) and I am planning to purchase the Windows 8 Pro upgrade online. However, I can only guess how much data actually needs to be downloaded by the Upgrade Assistant - I couldn't find the sizes anywhere on Microsoft's website or the Windows 8 site. By determining the actual size of the download, I can plan my time accordingly, since we're likely talking about a few hours here.
In particular, I'm asking about the 64-bit edition - but I decided to make this question generic just in case someone wonders how big the 32-bit edition is (the sizes of the ISO files that I downloaded for the Consumer Preview were quite different).

