Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

There are some solutions you can try. First steps if your Surface Type Cover or Keyboard doesn't work. To try to resolve these issues, you can begin by following the steps below to get the latest updates, detach the Type cover or keyboard, force a restart, reattach the Type Cover or Keyboard, or confirm connectivity.. Get the latest updates

PC に Office 2013 または Office for Mac 2011 をインストールする方法について説明します。

Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

Change the capitalization of text to lowercase, UPPERCASE, Capitalize First Word, or Sentence case in your documents.

Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

Change two-step verification settings; Common problems with two-step verification for work or school accounts; Manage app passwords for two-step verification

Learn about the differences between a Microsoft 365 subscription, Office 2016, and the free Office Online apps.

In Outlook, the black color theme includes dark mode, which provides a black background (instead of white) for the message window. You can switch to a white background for the message window if you prefer.

Learn how to connect your Windows PC to external monitors and adjust the display settings.