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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Many specific mobile platforms have free SDKs available that include device emulators that run on a PC desktop.

很多特定的移动平台提供了免费的SDK，包括可运行在PC桌面上的设备模拟程序。

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You might want to install one or more free utilities that will speed up and tweak your PC.

你可能想要重新安装一个或者更多的免费工具来提高你电脑运行的速度，使你的电脑运行速度加快。

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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.