Turn your PC off completely. To shut down, select Start and then select Power > Shut down.. Sleep. Sleep uses very little power, your PC starts up faster, and you’re instantly back to where you left off.

How does multifactor authentication work? Let's say you're going to sign into your Microsoft account or work or school account, and you enter your username and password.If that's all you need then anybody who knows your username and password can sign in as you from anywhere in the world!

To change appearance, select Appearance and make the changes you want to your default theme, zoom, toolbar, and fonts.

A theme is a combination of desktop background pictures, window colors, and sounds. Get a theme. To get a theme, expand one of the categories below, select a link for the theme, and then select Open.This saves the theme to your PC and puts it on your desktop.

借助提示和资源自行进行疑难解答以解决 Windows 蓝屏错误；如果你需要更多帮助，请联系 Microsoft 支持。 如果某个严重问题导致 Windows 意外关闭或重启，则会出现蓝屏错误（有时也称为黑屏错误或终止代码错误）。

Virtualization lets your PC emulate a different operating system, like Android™ or Linux. Enabling virtualization gives you access to a larger library of apps to use and install on your PC.

Safe mode starts Windows in a basic state, using a limited set of files and drivers. If a problem doesn't happen in safe mode, this means that default settings and basic device drivers aren't causing the issue.

從 [概觀] 頁面選取 [Office 應用程式]，然後在該頁面上尋找您要安裝的 Microsoft 365 產品，然後選取 [ 安裝]。 若要以不同的語言安裝 Microsoft 365 ，或安裝 64 位版本，請使用下拉式清單來尋找更多選項。選擇您想要的語言和位元版本，然後選取安裝。

Check the cables (for wired printers). Make sure that the printer's USB cable is properly connected from the printer to your PC. If your USB isn’t recognized, see Automatically diagnose and fix Windows USB problems. Check the wireless connection (for wireless printers).Do one of the following:

Hinweis: Änderungen an der Hardware führen nicht unbedingt dazu, dass Ihrem Gerät sofort Windows 11 angeboten wird.Das Upgrade wird nach und nach auf Marktgeräten durchgeführt auf der Grundlage von Informationsmodellen, die die Eignung der Hardware, Zuverlässigkeitsmetriken, Gerätealter und andere Faktoren berücksichtigen.