The free IDE comes with a free 30-day trial of the Pro features set so that you can give them a try before deciding whether or not to buy.

这个免费的IDE对这些专业功能提供了30天的免费试用，你可以在试用后再决定是否购买。

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However, you can download a free trial version of DB2 9 Enterprise Edition if you wish.

但可以下载DB 2 9企业版的免费试用版。

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You can see them all over the next 30 days with a no-obligation free trial. Here's more information.

你们可以免费试用30天。

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Sophos has a free virus removal tool can help you do this, or download a free trial edition of its antivirus software.

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If you are not a Prime member you can start a free one-month trial today.

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The company has made a free trial version of their software available, and you can download it here.

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