Download and Install OpenRefine
When you download the program from OpenRefine.org, a Zip file will go to your Downloads folder. Unpack or Unzip this file to the new location on your machine where you'd like the program to reside. When the Zip file has been unpacked, you should see something like the following:
The application is the file with the diamond icon. You can create a shortcut to the application and place it on your desktop for easy access.