How can I keep track of finances?

financial record to replace Microsoft Money

Please edit your question to explain in more detail the specific features you make use of in Microsoft Money that you cannot duplicate in a spreadsheet file. Not everyone is familiar with the indicated product. A spreadsheet can certainly be used to track finances and this type of software is widely used, the world over, to do so.

It really depends what are you looking for. LibreOffice is not exact replacement for Microsoft Money. If you are looking for a tool that would be as similar as the beloved one then in browser search box type in:
open source alternative microsoft money and you will get plenty of results.