Free SMS website and mobile community. Invite friends to win free PC to mobile SMS. Registration required: Yes.

免费短信网和移动社区。邀请朋友来获得免费电脑到手机的短信。需要注册。

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Charity Engine is a free PC app based on Berkeley University's BOINC software, ran by The Worldwide Computer Company Limited.

慈善机是一种基于伯克利大学的BOINC软件免费的PC应用程序，然由全球计算机有限公司。

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Download the FREE PC-Telephone version from the link below: Before installing the new version, make sure that the previous one is not running.

下载免费的PC电话版本从下面的链接：在安装新版本，请确保前一个没有运行。

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It's a little more involved on a PC but it's all free, the software you can download, and Linux in similar operating systems generally come with a compiler or you run a simple command to get it.

在PC机上有点复杂，但是它是免费的，你一般下载的软件，类似Linux的操作系统等等通常都需要,一个编译器，或者你可以运行一些简单的指令来获取。

哈佛公开课 - 计算机科学课程节选

Bradshaw said EA would give players a free PC game to compensate for the hassles.

NPR: EA Apologizes For 'SimCity' Launch Woes

As compensation for the trouble, players would soon be offered a free PC game from EA's catalogue, said Ms Bradshaw.

BBC: EA apologises over 'dumb' SimCity launch

Following this success, we launched a new version of GOG.com in March 2012 and released some newer DRM-free PC titles.

FORBES: CD Projekt Interviews: Digital Distribution. Oh, And Monks.