If you forgot your PIN and need to reset it, you can do so from the Windows sign-in screen. Look below the PIN text box: If you see I forgot my PIN , select it and follow the instructions to reset your PIN.If there are multiple accounts on the device, choose the one you need to reset.

如果尝试进行购买时遇到授权失败，请联系您的银行。 如果遇到预购付款错误，或者希望尝试其他购买付款方式，请参阅下面的付款方式更新方法： 登录到要更新的 Microsoft 帐户。

This troubleshooter assists customers whose machines are not yet updated to the latest release, Windows 10 Version 1607. This update will initially be released only to a small set of targeted customers. This set will expand over time. Windows users can start the assistant from this article.

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.

Note: The steps to install the 2019, 2016, or 2013 versions of Office Professional Plus, Office Standard, or a stand-alone app such as Word or Project might be different if you got Microsoft 365 through one of the following: Microsoft Workplace Discount Program (formerly known as Home Use Program): If you bought Microsoft 365 for personal use through your company, see Install Office through ...

If your printer isn't responding, you may need to remove it and reinstall it so Windows can download and install the proper drivers. Make sure your printer is on and connected to your PC.

带有 32 gb 硬盘驱动器的设备或带有完整硬盘驱动器的较旧设备，可能需要额外的存储空间才能完成升级。 如果没有足够的空间，请尝试删除不再需要的文件或应用，或使用“磁盘清理”来释放空间。 请参阅释放电脑驱动器空间的提示了解详细信息。

Turn on your Xbox Wireless Controller by pressing the Xbox button .; Press and hold the Pair button on your controller for three seconds (the Xbox button will start flashing rapidly).; On your PC, press the Start button , then choose Settings > Devices > Bluetooth & other devices (on Windows 11: Settings > Bluetooth & devices).; Turn on Bluetooth. ...

Note: If you start to play a DVD or VCD in the Player Library, the Player automatically switches to Now Playing mode. The Blu-ray Disc format is not supported in Windows Media Player. To play a Blu-ray Disc, you need to use a non-Microsoft program that supports Blu-ray playback and a device capable of reading Blu-ray Discs.

Windows Security provides built-in security options to help protect your device from malicious software attacks. To access the features described below, tap the Windows Start button, type windows security, select it from the results, and then select Device security.