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This cumulative update for Windows 11, version 25H2 and 24H2 (KB5072033), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained ...

Certificate authority (CA) A certificate authority is an entity similar to a notary public. It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired. Top of Page Digital signature assurances The following terms and definitions show what assurances are provided by digital signatures. Authenticity The signer is ...

A popular tactic of criminals is the "fake order" scam. The way it works is that you get a message, usually in email or text, that appears to be a routine confirmation for an order. Of course, you never ordered whatever product or service it's confirming. The message looks common enough, and it says that money will be charged to your credit card or withdrawn from your bank account for the ...

Check the Xbox services, games, and apps for any service outages.

Find out how to change your Xbox gamertag through a browser, on your Xbox console, or your Windows device.

找尋您需要了解的有關 Xbox 玩家代號的所有資訊。

访问 Microsoft 官方支持网站，获取全球范围内的产品和服务帮助，解决技术问题并提高生产力。

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Активация подарочного карта, скачивание кода или токена Xbox Карты оплаты Майкрософт и Xbox, коды скачивания и маркеры работают одинаково: после активации в учетной записи Майкрософт вы можете потратить свой баланс в ...