选择要从中发送数字签名消息的帐户，然后选择“ 高级 > 安全性 ”。 在 “证书 ”中，选择要使用的证书。 你只会看到已添加到 Mac OSX 用户帐户密钥链的证书，以及那些对数字签名或加密有效的证书。 若要详细了解如何将证书添加到密钥链，请参阅 Mac 帮助。

如何變更玩家代號？ 我們已將新的 Xbox 玩家代號更新為支援最多 12 個字元的 Unicode 玩家自選名稱，而此名稱還會在您分享玩家代號時加上自動產生的尾碼。 我們為玩家提供 13 個不同的字母系統，支援全球超過 200 種語言。

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

请与您的 IT 部门联系以了解如何获取您的证书。 您可以向任何设计带有数字签名启用的 InfoPath 表单中添加数字签名。 要确定是否启用表单的数字签名，请查找显示 此节进行签名，请单击此处 的链接。

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

Learn how to sign in and create app passwords for Microsoft apps and devices that don't support two-step verification.

Learn how to fix error 0x80070020 so you can update, install, or start a game or an app on your PC or Xbox console.

We would like to show you a description here but the site won’t allow us.

Solution 1: Repair the application Go to Settings > Apps > Installed apps. Search for the game you’re trying to install or update and select Advanced options. Select Repair. Return to the Xbox app on PC and resume the installation or update for that title.

For security reasons, payment information is only saved on the device it was created on, and is not synced to Edge or any other app. After July 2025, any payment information stored in Authenticator will be deleted from your device.