第二种类型从原始文件系统分配出空间，这种快照称为内部快照。

The second type allocates space out of the original file system, this is known as an internal snapshot.

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如果你不符合条件的，例如，如果你有未分配系统分区磁盘空间，安装程序试图利用现有的启动文件系统分区。

If you do not meet the conditions, such as if you do not have unallocated disk space for a new system partition, setup attempts to use the existing system partition for boot files.

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如果你不符合条件的，例如，如果你有未分配系统分区磁盘空间，安装程序试图利用现有的启动文件系统分区。

If no partition is currently marked active, setup sets one as active using the same process applied by Windows Vista setup previously.

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