Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings.

如果应用已打开，请在任务栏上找到应用的图标按钮，长按此按钮，然后向上滑动，直到出现“应用列表”。 如果你使用的是鼠标，请在任务栏上找到应用图标按钮，右键单击此按钮，然后选择“固定到任务栏”。

Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.

There are a few common scenarios in which Windows running on a PC might be discovered to be non-genuine during validation. Repairs. If your PC has been repaired, you might start to see messages on your desktop that Windows isn't genuine.

Notlar: Hotmail veya Outlook.com parolanız Microsoft Hesabı parolanızla aynıdır. Oturum açabiliyorsanız ancak Outlook.com ile ilgili sorun yaşıyorsanız hizmet durumunu kontrol edin. Durum yeşil değilse, hizmetin normal çalışır duruma gelmesini bekleyin ve yeniden deneyin.

Training: Watch and learn how to use PowerPoint in Windows. Explore PowerPoint training guides, articles, and how-to videos.

Screen time limits in Microsoft Family Safety are a great way to balance online habits within your family group. You decide when and for how long family members can use their connected Windows, Xbox and mobile devices.

New features gradually rolling out: Improvements to folder backup opt-out experience.We are updating the behavior when users turn off folder backup.

All Xbox digital codes are 25 characters long, include both numbers and letters, and are formatted in five blocks of five characters (xxxxx-xxxxx-xxxxx-xxxxx-xxxxx).

Windows 8.1 Update and Windows RT 8.1 Update (also known as KB 2919355) include improvements that make your favorite apps and settings easier to find and use, provide more familiar mouse and keyboard options, and update security and performance.Here’s what you need to know about installing this important update. Check to see if it’s already installed