21: Where can I get help in installing Emacs? See question 81 for some basic installation hints, and question 83 if you have problems with the installation. The file etc/SERVICE (see question 4 if you're not sure where that is) lists companies and individuals willing to sell you help in installing or using Emacs. An up-to-date version this file is available on prep.ai.mit.edu (see question 20).