The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted registry keys. First, you'll need to download the troubleshooter. Download troubleshooter. If you see the File Download box when you start downloading, select Run or Open.

Protect your Android, iPhone, Mac, and Windows devices from threats by installing Microsoft Defender. Download Microsoft Defender on your devices either by:

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Having trouble connecting to your email from Outlook on your desktop? Follow these steps to let Outlook diagnose and fix errors in your Outlook mail profile that might be causing the issue.

Here are some answers to the frequently asked questions about the OneDrive desktop app for Windows.

Learn to hide (or unhide) worksheet tabs or workbooks in Excel. Worksheet names appear on the tabs along the bottom of a workbook.

Learn how to install Skype for Business on your Windows computer, mobile device, or Macintosh.

Describes how to obtain the latest version of DirectX to enable games and multimedia applications on your system.

From the Start menu, select new Outlook for Windows. Select the arrow to expand the list option in Start. Select Uninstall to begin the uninstall process. To reinstall new Outlook: Open classic Outlook for Windows. In the top corner, you'll see a toggle to Try the new Outlook . Select this toggle to download the new app and you will switch to ...

In the new Teams, you can switch between apps, respond to chat messages, and join meetings and calls more quickly while using less battery and memory.