您好，FAHIM UDDIN，

Hi FAHIM UDDIN,

感谢您在此处发布帖子.

Thanks for your post here.

要检查您是否有权，请搜索winver.exe以查看您的许可证.

To check if you have the right, please search winver.exe to see your license.

此外，您的Win 8 OS是MSDN的beta版本还是RTM版本?

What's more, does your Win 8 OS a beta version or RTM version from MSDN?

对于许可问题，建议您在周一至周五上午6:00致电1-800-426-9400.到下午6:00 (太平洋时间)直接与Microsoft许可专家交谈，您可以从那里获取更多详细信息.您也可以访问以下内容 有关许可问题的更多信息和支持，请访问以下站点: http://www.microsoft.com/licensing/mplahome.mspx .

For license issue, I recommend you call 1-800-426-9400, Monday through Friday, 6:00 A.M. to 6:00 P.M. (Pacific Time) to speak directly to a Microsoft licensing specialist, and you can get more detail information from there. You can also visit the following site for more information and support on licensing issues: http://www.microsoft.com/licensing/mplahome.mspx.

此致