谢谢

www.borland.com免费注册可以得到非企业版的。
你看下面的保存为文件，然后试试（我是windows）。



THIS IS AN AUTO-GENERATED MESSAGE - PLEASE DO NOT REPLY TO THIS MESSAGE

Here is your JBuilder 7 Personal license key.

The attached file (reg61.txt) activates your Borland product.

To complete product registration, save the attached file into
your home directory before starting your Borland product.

NOTES:

- The contents of this e-mail and the attached file are for your
exclusive use and should not be shared with others.

- Save the file to your home directory, and it will be loaded
automatically the next time you start your Borland product.
In case the file is not found in the home directory, the product's
registration wizard will prompt you for the location of the file.

- Home directory: Under the MS Windows operating system,
your home directory is C:Documents and Settingsyour_login_name.
If the Windows operating system is installed on a different drive,
locate your home directory and save the attachment there.

- In case this e-mail has no attachments, save this e-mail as a text
file named (reg61.txt) (Netscape: File | SaveAs | File) or (reg61.eml)
(Outlook: File | SaveAs ) into your home directory.

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97%1Ab%D6%E3%D2K

-----END BLOCK-----

Additional JBuilder information:
  http://www.borland.com/jbuilder/

请到borland的下载页面，那里有非常详细的下载说明和免费注册方法。