http://www.microsoft.com/windowsxp/...tion/trial.mspx

Download the trial
The Windows XP Professional x64 Edition trial software download is available at no charge. After you have completed the download registration process, you will receive an e-mail message with a link to the download page. The download page will include the download file and a product key for the trial software. The file will be in ISO format and must be burned to a CD or DVD before you can install the software on your computer.



怪
可以用下載的不用
卻要用錢去買TRIAL的CD ?





Thank you for your interest in evaluating Windows XP Professional x64 Edition. This trial software allows you to evaluate the product for 120 days. Register to order a CD or to download the trial software.

基本上試用版本除了120天限制
就應該沒有其它的限制了..
不過如果要同一個電腦安裝多個同樣版本
最好還是再去申請一個