Install the 32-bit or 64-bit version of Office. Select your version below and follow the installation steps. Microsoft 365, Office 2019, or Office 2016 (Follow the steps to select a specific bit version, such as 64-bit if that's the version you need.)

You might see Error 0xC0000142 when you start an Office application. To help you resolve this, try the solutions below. We’ve listed the most common solutions first so try the steps in the order they're listed. Solution 1 - Update Office. Make sure Office is updated to Version 2102 (Build 13801.20808) or later.

How to obtain and install the update. This update is available on Microsoft Update for Windows client operating systems and available on WSUS and MU Catalog for Windows Server operating systems.

Describes how to troubleshoot problems that occur when you install, uninstall, or upgrade a program on a Windows-based computer by using Windows Installer.

Download and install any available updates in Windows Update, including software updates, hardware updates, and some third-party drivers. Use the Windows Update Troubleshooter to fix Windows 11 Update errors.

Resolves a vulnerability in Windows Explorer that could allow remote code execution if a user visited a specially crafted webpage.

The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed in the "Additional file information" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very important to maintain the state of the updated components.

Your PC isn't working well and you recently installed an app. Restore from a system restore point. You suspect your device has been infected. Use installation media to reinstall Windows 11. Click one of the recovery options below and follow the steps to try to get things working again.

The latest Windows update is Windows 11, version 23H2, also known as the Windows 11 2023 Update. Get the latest updates automatically as soon as they're available. You can now choose to have Windows get the latest non-security and feature updates as soon as they become available for your device.

Use the Office offline installer to install Office 2016 or Office 2013 if you don't have an active Internet connection or you're having problems with slow speed or unreliable connections.