Open, edit, and save documents, workbooks, and presentations in the file formats new to Microsoft Office Word, Excel, and PowerPoint 2007.

Download and run the Windows 7 Upgrade Advisor to see if your PC is ready for Windows 7. It scans your hardware, devices, and installed programs for known compatibility issues, gives you guidance on how to resolve potential issues found, and recommends what to do before you upgrade.

Internet Explorer 8. Faster, Easier, More Private, and More Secure.

Install this update to resolve an issue in which a user is unable to use Windows Internet Explorer 7 to download files on a computer that is running Windows XP with IME enabled.

The Microsoft DirectX® End-User Runtime provides updates to 9.0c and previous versions of DirectX — the core Windows® technology that drives high-speed multimedia and games on the PC.

The Microsoft .NET Framework version 2.0 (x86) redistributable package installs the .NET Framework runtime and associated files required to run applications developed to target the .NET Framework v2.0.

Download the latest version of the world's most popular Web browser.

This tool checks your computer for infection by specific, prevalent malicious software (including Blaster, Sasser, and Mydoom) and helps to remove the infection if it is found. Microsoft will release an updated version of this tool on the second Tuesday of each month.

With Windows Media® Components for QuickTime, by Flip4Mac™, you can play Windows Media files (.wma and .wmv) directly in QuickTime Player and view Windows Media content on the Internet using a Web browser.

Windows Search 4.0 is an updated component of Windows that enables instant search on your computer.

Microsoft .NET Framework 3.5 contains many new features building incrementally upon .NET Framework 2.0 and 3.0, and includes .NET Framework 2.0 service pack 1 and .NET Framework 3.0 service pack 1.

Microsoft .NET Framework 3.5 Service Pack 1 is a full cumulative update that contains many new features building incrementally upon .NET Framework 2.0, 3.0, 3.5, and includes cumulative servicing updates to the .NET Framework 2.0 and .NET Framework 3.0 subcomponents.

Windows Defender is a free program that helps you stay productive by protecting your computer against pop-ups, slow performance and security threats caused by spyware and other potentially unwanted software. Windows Defender no longer supports Windows 2000 as mainstream support ended in June 2005.

Microsoft Office PowerPoint Viewer 2007 lets you view full-featured presentations created in PowerPoint 97 and later versions.

Internet Explorer 8. Faster, Easier, More Private, and More Secure.

This installation package is intended for IT professionals and developers downloading and installing on multiple computers on a network. If you're updating just one computer, please visit Windows Update at http://update.microsoft.com .

The Microsoft® Windows® Installer is an application installation and configuration service. WindowsInstaller-KB893803-x86.exe is the redistributable package for installing or upgrading Windows Installer.

Service Pack 2 provides the latest updates to the 2007 Microsoft Office suite.

This download allows you to export and save to the PDF and XPS formats in eight 2007 Microsoft Office programs. It also allows you to send as e-mail attachment in the PDF and XPS formats in a subset of these programs.

The .NET Framework version 1.1 redistributable package includes everything you need to run applications developed using the .NET Framework.

View, print and copy Word documents, even if you don't have Word installed. This download is a replacement for Word 97 Viewer and all previous Word Viewer versions.

This update addresses a security issue in JPEG processing technology.

View, print and copy Word documents, even if you don't have Word installed. This download is a replacement for Word Viewer 2003 and all previous Word Viewer versions.

The Microsoft® Windows® Installer (MSI) is the application installation and configuration service for Windows. These download packages will update the version of Windows Installer on your system to version 4.5.

The Hardware-assisted virtualization (HAV) detection tool checks if the computer processor supports HAV and if this setting is enabled.

Office 2003 Service Pack 3 provides the latest updates to Microsoft Office 2003.

The Microsoft® .NET Framework version 3.0 redistributable package installs the common language runtime and associated files required to run applications developed to target the .NET Framework 3.0.

This installation package is intended for IT professionals and developers downloading and installing on multiple computers on a network. If you're updating just one computer, please visit Windows Update

Service Pack 2, the latest service pack for both Windows Server 2008 and Windows Vista, supports new types of hardware and emerging hardware standards, includes all of the updates that have been delivered since SP1, and simplifies deployment, for consumers, developers, and IT professionals.

This download provides the DirectX end-user redistributable that developers can include with their product.

SyncToy 2.1 is a free application that synchronizes files and folders between locations. Typical uses include sharing files, such as photos, with other computers and creating backup copies of files and folders.

Internet Explorer 6 has been updated as part of Windows XP Service Pack 2 and Internet Explorer 7 for Windows XP and Windows Server 2003 is now available. For more information on downloading Internet Explorer 7, please read the Overview section. Internet Explorer 6 Service Pack 1 is recommended for systems running versions of Windows prior to Windows XP.

Windows Vista Service Pack 1 is an update to Windows Vista that addresses key feedback from our customers. SP1 addresses specific reliability and performance issues, supports new types of hardware, and adds support for several emerging standards.

Service Pack 1 provides the latest updates to the Microsoft Office Compatibility Pack.

With Microsoft Office Outlook Connector, you can use Microsoft Office Outlook 2003 or Microsoft Office Outlook 2007 to access and manage your Microsoft Windows Live Hotmail or Microsoft Office Live Mail accounts, including e-mail messages, contacts and calendars for free!

Open, edit, and save documents in the Works Word Processor file format supported by Works versions 6, 7, 8 and 9. This download requires Windows Installer version 3.1 or higher. Please refer to System Requirements below for more details.

The media player for all your digital entertainment needs.

Microsoft has released KB931621 Update.

This new version of the Windows Mobile Device Center contains key improvements and new features to support Windows Mobile 6 devices. The Windows Mobile Device Center 6.1 is only supported on Windows Vista.

This download installs Visual Studio 2008 Service Pack 1 (SP1).

The Microsoft Visual C++ 2008 Redistributable Package (x86) installs runtime components of Visual C++ Libraries required to run applications developed with Visual C++ on a computer that does not have Visual C++ 2008 installed.

This package can be used as an alternative to automatically downloading Windows Media Codecs, or to correct problems experienced with previously-downloaded codecs.

Open, view, and print Excel workbooks, even if you don't have Excel installed. This download is a replacement for Excel Viewer 97 and all previous Excel Viewer versions.

Download the full version of Microsoft Virtual PC 2007.

Open XML Converter allows you to convert Open XML files that were created in Office 2008 for Mac or Office 2007 for Windows so that you can open, edit, and save them in earlier versions of Office for Mac. This update contains several improvements to enhance stability and performance.

Windows® XP Service Pack 3 (SP3) includes all previously released updates for the operating system. This update also includes a small number of new functionalities, which do not significantly change customers’ experience with the operating system. This white paper summarizes what is new in Windows XP SP3. You can obtain Windows XP SP3 from Windows Update, at http://update.microsoft.com.

Use Windows Easy Transfer to copy your files, photos, music, e-mail, settings, and more from a computer running Windows XP to a computer running Windows 7. You can transfer data using an Easy Transfer Cable, removable media, or across a network

Download the latest .NET Framework 1.1 Service Pack from Microsoft.

Windows Vista Upgrade Advisor is designed to help Windows XP users identify whether their PCs are ready for an upgrade to Windows Vista, which edition of Windows Vista meets their needs, and which features of Windows Vista will be able to run on their PCs.

Windows Movie Maker 2.6 for Vista