Old versions of Microsoft Money used a product code. When Money support was discontinued by Microsoft, those version became unusable. The good news is that there is a free version of Money that requires no product code. See the second "sticky"
post in this forum:
https://social.microsoft.com/Forums/en-US/479281b2-90f9-42ca-85f7-644fc6e1e5c3/download-microsoft-money-installation-files-solve-activation-and-some-other-errors?forum=money
to download the version of Money that is correct for your region. Also, have a look at the first "sticky" in this forum:
https://social.microsoft.com/Forums/en-US/d28d6921-1f01-430f-b33e-f5a3ec47077b/money-plus-bug-and-solution-mnyob99dll?forum=money
which describes how to download a patched version of the mnyob99.dll file. This is not essential but may prevent future problems.
Be sure to save copies of the downloaded files so that you can re-install Money if you need to do so in the future.
Post back if you have difficulty and need more help.
Bill Becker