Transfer Macro code to another computer
 

Can't figure out the simplest way to transfer a macro code. I wrote a macro
for a company, but can't figure out how to easily explain what they need to
do to get it in their personal macro book. I wrote the code, pasted it in a
..txt file and then emailed it over. What's the next step to get it working on
their side? Any help is much appreciated. Thanks!