Once you have installed all of the above, go to the Start Menu under GNU Emacs and click Update Site Configuration. In the file that opens add the following single line (and it has to be exactly right) to the top of the file and click the Save button. Note that there shouldn't be any line break; it is one, big, long, line.
If you have installed a different version of Maxima then the 5.19.2 appearing twice in the above line should be replaced with the version you have downloaded.
Then quit Emacs and restart. When it opens, type:
The symbol M means the Alt key (which is also known as the Meta key). Thus, the command M-x imaxima means
If this is your first time using imaxima, MikTEX will probably ask you to install the mh package from CTAN. Please proceed with Yes for installation. This may take some time, so be patient.
Then, you will see the initial screen of Maxima. Enjoy!!
G. Jay Kerns 2009-12-01