When you troubleshoot communications problems in Windows, an MS-DOS-level communications program is often required to test the modem and ports outside of Windows. If an MS-DOS-based application cannot be used, it is possible to test the modem connections by typing the following command at the MS-DOS command prompt.

The following file is available for download from the Microsoft Download Center: Download the package now. For more information about how to download Microsoft support files, click the following article number to go to the article in the Microsoft Knowledge Base: How to obtain Microsoft support files from online services

The version number is 3.1.4000.2435. All other binaries of the Windows Installer 3.1 (v2) package remained unchanged and are version 3.1.4000.1823. Download the installer for 64-bit versions of Windows Server 2003 or 64-bit versions of Windows XP. This redistributable component is only for 32-bit operating systems.

Download drivers and firmware for Surface. Windows 11 Windows 10 Surface. Updates keep your Surface performing its best. Along with software updates for Windows 10 or Windows 11, it's important to make hardware updates, also known as updates for drivers and firmware.

Newer versions Office 2007. Insert an equation with Equation Editor. On the Insert tab, in the Text group, click Object. In the Object dialog box, click the Create New tab. In the Object type box, click Microsoft Equation 3.0, and then click OK. Use the symbols, templates, or frameworks on the Equation toolbar to edit the equation.

Install this update. File information. For a list of the files that are provided in this update, download the file information for cumulative update. Prerequisites. To apply this update, you must have .NET Framework 3.5 or 4.8 installed. Restart requirement.

This update will be downloaded and installed automatically from Windows Update. To get the standalone package for this update, go to the Microsoft Update Catalog website. File information. For a list of the files that are provided in this update, download the file information for cumulative update .

To get the standalone package for this update, go to the Microsoft Update Catalog website. File information. For a list of the files that are provided in this update, download the file information for cumulative update. Prerequisites. To apply this update, you must have .NET Framework 3.5 or 4.8 installed. Restart requirement.

Install this update. File information. For a list of the files that are provided in this update, download the file information for cumulative update . Prerequisites. To apply this update, you must have .NET Framework 3.5 or 4.8.1 installed. Restart requirement.

If you installed earlier updates, only the new updates contained in this package will be downloaded and installed on your device. For more information about security vulnerabilities, please refer to the Security Update Guide website and the September 2022 Security Updates.