Both the downloads and the product keys needed to activate the installation are free.

下载文件和产品激活安装的密钥都是免费的。

youdao

Windows 7 RC1 will be available at least through June 30, 2009, with no limits on the number of downloads or product keys available.

Windows 7 RC 1至少在2009年6月30日前是可下载的，同时不限制下载的次数或密钥有效性。

youdao

However, I do record the number of activations coming from different computers and I reserve the right to cancel product keys that seem to be abused.

不过，我会记录从不同的计算机来的激活数量，我保留取消被滥用产品注册码的权利。

youdao

The eventual product was called the Razer Blade, a high-end gaming laptop that featured a dynamic keyboard with OLED keys.

FORBES: Gear from Gamescom: Razer Deathstalker Ultimate Gaming Keyboard