If you weren't able to change your password. If you couldn't change your password this way, see Reset your Microsoft account password. Need more help? Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help.If you still need help, select Contact Support to be routed to the best support option.

Turn on Find my device. When you set up a new device, you can decide whether to turn on or turn off the Find my device setting. If you turned it off during setup and now want to turn it on, make sure your Windows device is connected to the internet, has enough battery power so it can send its location, and that you're signed in to the device using your Microsoft account.

The recommended (and easiest) way to get SP1 is to turn on automatic updating in Windows Update in Control Panel and wait for Windows 7 to notify you that SP1 is ready to install.

完全關閉您的電腦 若要關閉，請選取開始 ，然後選取Power > 關閉。 睡眠 睡眠使用非常少的電源，您的電腦啟動速度更快，而且您會立即回到您離開的地方。 您不必擔心因為電池耗用而失去工作，因為 Windows 會自動節省您的所有工作，如果電池計量太低，請關閉電腦。

Going passwordless refers to removing your password and using a passwordless method to sign in instead. Passwordless solutions such as Windows Hello, the Microsoft Authenticator app, SMS or Email codes, and physical security keys provide a more secure and convenient sign-in method. While passwords can be guessed, stolen, or phished, only you can provide fingerprint authentication, or provide ...

Unlike Microsoft Word, Microsoft Excel doesn't have a Change Case button for changing capitalization. However, you can use the UPPER, LOWER, or PROPER functions to automatically change the case of existing text to uppercase, lowercase, or proper case. Functions are just built-in formulas that are designed to accomplish specific tasks—in this case, converting text case.

To find downloads on your PC: Select File Explorer from the taskbar, or press the Windows logo key + E.

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Tip: If you're using a wireless display adapter, connect to an HDMI port on newer TVs, then wirelessly connect your PC to it.After connecting your wireless display adapter to your TV, go to your Windows 11 PC, press Windows logo key + K to open Cast, then select your wireless display adapter.

Si cet écran s’affiche, Microsoft 365 est installé sous forme de version d’évaluation Microsoft 365 Famille. Cet écran s’affiche si vous vous connectez à Microsoft 365 qui était déjà installé sur un nouvel appareil mais que vous n’avez pas de produit Microsoft 365 associé à votre compte.