Microsoft Releases Windows 7 SP1 - Installation + Download link

Microsoft has released Windows 7 Service Pack 1. This was highly anticipated in the last few weeks and finally it has been released to the general public. I am writing this right now using the SP1. As usual Microsoft recommends that you use Windows Update to get the SP1.

Here is the download link if you would like an offline install

Installation method
Estimated amount of free disk space required

Windows Update
x86-based (32-bit): 750 MB
x64-based (64-bit): 1050 MB

Downloading SP1 from the Microsoft website
x86-based (32-bit): 4100 MB
x64-based (64-bit): 7400 MB

Installing SP1 using an installation DVD
x86-based (32-bit): 4100 MB
x64-based (64-bit): 7400 MB