1.登录https://w3-103.ibm.com/software/xl/download/ticket.do
2.输入Intranet ID和pswd，然后选I Agree.
3.然后点Search for software，在输入框找IBM Rational Application Developer for WebSphere Software V8.5.1。
4.选择合适的版本，我选的是
IBM Rational Application Developer for WebSphere Software V8.5.1 Evaluation Multiplatform Multilingual Core Part 4 (CIE6KML)
IBM Rational Application Developer for WebSphere Software V8.5.1 Evaluation Multiplatform Multilingual Core Part 3 (CIE6KML)
IBM Rational Application Developer for WebSphere Software V8.5.1 Evaluation Multiplatform Multilingual Core Part 2 (CIE6KML)
IBM Rational Application Developer for WebSphere Software V8.5.1 Evaluation Multiplatform Multilingual Core Part 1 (CIE6KML)
IBM Rational Application Developer for WebSphere Software V8.5.1 Evaluation Multiplatform Multilingual Set Up (CIE6GML)
5.然后下载。
目前下载中，待补充。