解决安装 Windows SP1 时遇到的问题. 如果你尝试安装 SP1 并看到指示安装未成功的错误消息，这可能是因为用于安装更新的 Windows 维护服务商店出现问题，或者是因为你的防病毒软件阻止安装更新。

解决激活错误. 如果 Microsoft 365 无法激活，其最后会变为未授权，且 Microsoft 365 的所有编辑功能都会被禁用。 Microsoft 可能由于多种原因变为未授权。

If you don't have it installed there is a link provided to download it. If you would rather use SMS messages sent to your phone instead, select I want to set up a different method . Microsoft 365 will ask for your mobile number, then send you an SMS message containing a 6-digit code to verify your device.

The SUMPRODUCT function returns the sum of the products of corresponding ranges or arrays.The default operation is multiplication, but addition, subtraction, and division are also possible. In this example, we'll use SUMPRODUCT to return the total sales for a given item and size:

At home: Make your primary Xbox (if you have more than one) your home Xbox, which gives anyone who signs in to the console with their profile the ability to use your Game Pass subscription.

I don't see the Microsoft Rewards gift card I want. Some gift cards aren’t always available through Microsoft Rewards - check back often! In the meantime, there are always great apps, movies, games, sweepstakes, and more available - all from Microsoft. Explore the Redeem page to see what’s available now.

注意 只能使用将信用卡或已确认的银行帐户作为资金来源的 PayPal 帐户。 若要将 PayPal 与 Microsoft 帐户结合使用，请确保 PayPal 帐户使用可接受的资金来源。

How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox, and accessories.

如果需要在线购买 Xbox Game Pass 订阅卡，我们强烈建议从所居住的国家或地区购买，以避免出现潜在的问题。 这包括从第三方在线经销商处进行的购买，这些经销商推销的充值码价格低于零售价。

Tech support scams are an industry-wide issue where scammers use scare tactics to trick you into unnecessary technical support services to supposedly fix device or software problems that don't exist. At best, the scammers are trying to get you to pay them to "fix" a nonexistent problem with your device or software.