# 设定密码要求

对于增强安全性，您可设定 Parallels Desktop 要求管理员密码来执行某个功能。

1. 请视需要选择执行以下操作：
   * 单击菜单栏中的 Parallels Desktop 图标，然后选择**配置**。
   * 如果在屏幕顶部可以看见 Parallels Desktop 菜单栏，请选择**操作** > **配置**。
2. 单击**安全**。
3. 选择以下一项或多项操作，所选操作需要 macOS 管理员密码才能执行：
   * **更改虚拟机状态**：需要密码才能[启动、停止、中止、暂停或关闭](/pdfm-19-ug-zh_cn/parallels-desktop-for-mac-19-users-guide/zai-mac-shang-shi-yong-windows/ru-men/guan-bi-huo-zhong-zhi-windows.md) Windows。
   * **退出全屏 (Full Screen) 模式**：需要密码才能退出[全屏 (Full Screen) 模式](/pdfm-19-ug-zh_cn/parallels-desktop-for-mac-19-users-guide/zai-mac-shang-shi-yong-windows/she-ding-windows-ru-he-yu-macos-xie-tong-gong-zuo/she-ding-windows-zhan-ju-zheng-ge-ping-mu.md)。
   * **管理快照**：需要密码才能[创建或删除快照](/pdfm-19-ug-zh_cn/parallels-desktop-for-mac-19-users-guide/gao-ji-zhu-ti/shi-yong-xu-ni-ji/bao-cun-xu-ni-ji-kuai-zhao.md)，或还原到某一快照。
   * **更改虚拟机配置**：更改虚拟机配置需要密码。

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