After you successfully download the zip archive (it may take a while; the file I downloaded was 120 megabytes in size), extract the contents to the folder c: \ flex.

在成功下载压缩文件之后(可能需要一段时间；我下载的文件的大小为120 MB)，将其解压缩到文件夹c： \ flex。

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It has powerful statistical function, and it can precisely count the size of each folder and file.

强大的统计功能，能精确统计每一个文件夹及文件的大小。

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