The software is also virtually free to use, while Microsoft charges licensing fees.

该软件实际上是免费的，而微软则收取许可费。

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Practically, Amazon charges like running free software on their hardware, the customers still having to pay to Microsoft yearly as part of their license program.

事实上，Amazon只负责在其硬件上运行免费的软件，客户仍旧需要每年向微软支付许可费用。

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Mango is proprietary software developed by Microsoft while Android is distributed as free and open source software.

芒果是由微软开发的专有软件，而Android是作为自由和开源软件分发的。

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In the free software market Microsoft faces competition from many others including AVG, Alwil Avast, Avira Antivir and Comodo.

BBC: Microsoft launches free security

Millions of computer systems appeared well prepared, because of a free software patch from Microsoft.

BBC: Code Red keeps world guessing

The software is free, and Microsoft crushed its only serious commercial competition, Netscape, almost a decade ago.

FORBES: Why Firefox Matters