Microsoft: Windows 7 upgrade can take nearly a day
Found on Ars Technica on Monday, 14 September 2009
A Microsoft Software Engineer has posted the results of tests the company performed to the upgrade time of Windows 7. Worst case scenario is that it will take a bit over 20 hours.
That's with 650GB of data, 40 applications, on mid-end hardware, and during a 32-bit upgrade. We don't even want to know how long it would take if Microsoft had bothered doing the same test with low-end hardware.
Considering that my system currently holds about 2TB of data and is not really mid-end hardware, an upgrade would take ages (not that I'd do that anyway). It would be way faster to just reinstall the OS and the applications; not to mention it's better for stability.