1) Download eclipse.

2) Open eclipse -> Workspace Launcher window will open

3) Create a workspace by giving meaningful name

3) Click on Workbench

4) Create a project of type java

5) Create a package under src folder of the package

6) Add Junit to the build path

7) Add selenium rc java client driver to the build path

8) Now drag and drop your test script (.which is exported from Selenium IDE) to the package created