The classic cold-call scam. The scammers call you and claim to be from the tech support team of Microsoft or another company. They offer to help solve your computer "problems".

Fortunately, these scams are often easy to spot. Let's take a good look at the clues in this example that pretends to be a subscription confirmation to Norton LifeLock. 1. The sender address. The sender's email address is often the first clue that the message is a fake. In this example they haven't even tried to make it look real.

Avoid and report Microsoft technical support scams. Microsoft will never proactively reach out to you to provide unsolicited PC or technical support. If you receive a phone call claiming to be from Microsoft, or see a pop-up window on your PC with a fake warning message and a phone number to call and get your “issue” fixed, it’s better to ...

此错误代码可能表示以下情形之一：. 你的银行未授权你的支付选项（例如，你的信用卡已过期、被冻结或者已被拒绝）。. 请联系你的信用卡公司或银行，确保正在使用的支付选项已激活，具有可用资金，且交易并未因为某些原因而受到阻止。. 如果用于为 Xbox ...

Protect yourself from phishing. Phishing (pronounced: fishing) is an attack that attempts to steal your money, or your identity, by getting you to reveal personal information -- such as credit card numbers, bank information, or passwords -- on websites that pretend to be legitimate. Cybercriminals typically pretend to be reputable companies ...

Generally, if you bought a physical copy of Windows, the product key should be on a label or card inside the box that Windows came in. If Windows came preinstalled on your PC, the product key should appear on a sticker on your device. If you’ve lost or can’t find the product key, contact the manufacturer. To ensure your product key is ...

You can save your debit or credit card to your Microsoft account by choosing Save when you checkout. The saving card experience shown below varies in different regions. The option of saving your card to Microsoft account is available to you if you have turned on the below two settings in Microsoft Edge. Payment using Microsoft account on Sync ...

Turn off Trusted Documents feature for network locations. You can turn off the Trusted Documents feature, for network locations, in the Trust Center. Click the File tab. Click Options. Select Trust Center, and then Trust Center Settings. Click Trusted Documents. Clear the Allow documents on a network to be trusted check box.

Select Start , enter Feedback Hub in the search bar, and select the Feedback Hub app from the list. This launches the Feedback Hub app home page. Press the Windows logo key + F. Tip: If you encounter a problem on your Windows device, pressing the Windows logo key + F takes a screenshot, then opens the Feedback Hub app and automatically uploads ...

激活 Microsoft 365 或非订阅版本的 Office. 当启动未激活的 Microsoft 365 应用时，系统将提示登录到 Microsoft 365。. 请务必使用用于购买或订阅 Microsoft 365 的 Microsoft 帐户或工作或学校帐户进行登录。. 注意: 如果新设备上预安装了 Microsoft 365，请参阅 激活新 Windows 设备上 ...