Note: Some versions of Project don't have an associated Microsoft account, or work or school account, or you need to redeem your product key in a different way.See the following if this is how you got your version of Project Professional 2021, Project Professional 2019, Project Standard 2021, or Project Standard 2019: Microsoft Workplace Discount Program (formerly known as Home Use Program ...

检查你的版本 DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX（产品包装盒上应标有所需的版本），游戏可能无法正常运行。

Learn about file sharing over a network in Windows. Note: This article focuses on how to share files or folders over a Local Area Network (or LAN), such as connected computers within your home or workplace.If you are trying to find out how to share a file over the Internet, for example with a friend or family member, OneDrive provides easy ways to accomplish this.

Invisible digital signatures in Word, Excel, or PowerPoint. An invisible digital signature, like a visible digital signature line, assures the authenticity, integrity, and origin of a document.

Using Authenticator as a way to sign in. If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in:

键入“tpm.msc” (不使用引号) 并选择“确定”。 如果看到一条消息，指出“找不到兼容的 TPM”，则表示你的电脑的 TPM 可能已禁用。 有关启用 TPM 的说明，请参阅如何启用 TPM，了解详细信息或检查电脑制造商的支持信息。如果能够启用 TPM，请完成下一步以验证它是 TPM 2.0。

Use System restore to make restore points when you install a new app, driver, or Windows update, and when you create a restore point manually.

注意: 如果使用 Microsoft 帐户 （例如 Outlook.com 、Hotmail、Live 或 MSN 电子邮件帐户）而不是工作或学校帐户登录，请注销，然后使用正确的帐户重新登录。 不确定使用哪个帐户登录？ 在 Outlook 导航标头中选择 “帐户管理员 ”。 如果未使用所需帐户登录，请 ...

Setting. Description. Write Your Setting Here. Example. Host Name. Your incoming mail server name. outlook.office365.com. Username. The email address you want to set up.

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