Hi,
如果您的应用没有提交到应用商店并且没有通过认证的话，您如果想在机器上安装和测试的话是需要开发者许可证的。您如果想要在多台机器上进行安装测试的话，您是需要多个开发者许可证的。但是您可以通过sideloading的方式来部署您的应用，这样您不需要
让所有机器都获得开发者许可证。
具体您可以参考以下链接：
http://msdn.microsoft.com/en-us/library/windows/apps/hh974578.aspx
关于sideloading您可以参考以下链接：
http://technet.microsoft.com/en-us/windows/jj874388.aspx
更多关于sideloading的问题您可以去TechNet论坛去寻求帮助。
祝您好运！
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