您需要做两件事.首先你需要得到一个可写的 RegistryKey 对象，否则你无论如何都不能修改任何东西.其次，直接在 RegistryKey 对象上使用 CreateSubKey 方法.

You need to do two things. First you need to get a writable RegistryKey object, otherwise you can't modify anything anyway. Second, use the CreateSubKey method on the RegistryKey object directly.

$writable = $true
$key = (get-item HKLM:\).OpenSubKey("SOFTWARE", $writable).CreateSubKey("C:/test")
$key.SetValue("Item 1", "Value 1")

创建键后，您可以使用结果对象向其添加值.

After you create the key you use the resulting object to add values to it.