当在新设备中首次启动 Windows 10 时，设备上已安装的防病毒保护程序即是你的默认安全应用。但是，Windows 安全中心已预安装并可随时使用。

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Узнайте, как добавлять учетные записи пользователей в Windows 10 и Windows 11. В каждой учетной записи хранятся файлы пользователя, избранное браузера и личный рабочий стол пользователя.

You can cancel an Xbox subscription at any time. Turning off recurring billing will stop future charges for a subscription and grant you its benefits until its expiration date.

This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) makes sure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates. How to get this update Method 1: Windows Update

The IFS function checks whether one or more conditions are met and returns a value that corresponds to the first TRUE condition. IFS will allow you to include up to 127 pairs of conditions (the test if something is True and the result if something is true). IFS can take the place of multiple nested IF statements.

If you want to track your Microsoft Rewards order after you redeem an award, sign in to the Rewards page with your Microsoft account, select Redeem and then select Order history.On the Order history page, find your order and then look under Status.. Open Rewards dashboard

The CONCAT function combines the text from multiple ranges and/or strings, but it doesn't provide delimiter or IgnoreEmpty arguments. CONCAT replaces the CONCATENATE function.However, the CONCATENATE function will stay available for compatibility with earlier versions of Excel.

Tip: You can also format your text.Highlight a word or words in your title or questions, and then choose any of the following: Bold (keyboard shortcut - CTRL/Cmd+B), Italic (keyboard shortcut - CTRL/Cmd+I), Underline (keyboard shortcut - CTRL/Cmd+U), Font color, Font size, Numbering, or Bullets.

Training: Watch this video to learn how to switch your Outlook calendar view between day, week, or month views, change the week displayed, and see different shared calendars.