Download the installation file 'PERSONAL_INSTALL.EXE' from SAP.
Run the installation to decompress the installation files.
Look in your %documents and settings%\%username%\local settings\temp folder for a new temporary folder.
Copy the contents of this folder.
When you run the setup.exe it prompts twice, once to confirm the licence agreement and a second time to confirm installation, to supress these dialoges edit the file 'setup.cfg' and comment out the following lines with a semi-colon, as shown below :-