---
title: Windows 7 Service Pack 1 Released
date: 2011-02-23 09:17:35
permalink: https://lesterchan.net/blog/2011/02/23/windows-7-service-pack-1-released/
author: Lester Chan
excerpt: "Windows 7 and Windows Server 2008 R2 Service Pack 1 is now available. Sizes vary widely: the 32-bit Windows Update is around 750MB and the 64-bit 1,050MB, while standalone downloads from Microsoft balloon to 4,100MB and 7,400MB respectively."
categories:
  - Software
tags:
  - Microsoft
  - Windows 7
---

Windows 7 and Windows Server 2008 R2 Service Pack 1 (KB976932) is now available!

File Sizes:

- Windows Update: x86-based (32-bit): 750 MB
- Windows Update: x64-based (64-bit): 1,050 MB
- Downloading SP1 from the Microsoft website: x86-based (32-bit): 4,100 MB
- Downloading SP1 from the Microsoft website: x64-based (64-bit): 7,400 MB
- Installing SP1 using an installation DVD: x86-based (32-bit): 4,100 MB
- Installing SP1 using an installation DVD: x64-based (64-bit): 7,400 MB

Instructions: Learn how to install Windows 7 Service Pack 1 (SP1)  
KB: Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2