---
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
categories:
  - Software
tags:
  - Microsoft
  - Service Pack
  - Windows 7
---

[Windows 7 and Windows Server 2008 R2 Service Pack 1 (KB976932)](http://www.microsoft.com/downloads/en/details.aspx?FamilyID=c3202ce6-4056-4059-8a1b-3a9b77cdfdda) 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)](http://windows.microsoft.com/installwindows7sp1)  
KB: [Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2](http://support.microsoft.com/?kbid=976932)