It sounds like you're looking for information on a specific software download, but the phrase can refer to a couple of different things depending on what you're trying to do.
Are you trying to find a guide on how to set up a "free download" section or a specific plugin/tool on your own blog? oma-multi-tool-version-1-0-free-download-my-blog
Once you let me know which direction you're heading, I can provide the specific steps you need. Which of those sounds most like what you're working on? It sounds like you're looking for information on
Are you looking for instructions on how to use or install a "Multi-Tool" program (often used for gaming, mobile device management, or technical repairs) that you found on a blog? Which of those sounds most like what you're working on
To make sure I give you the right guide, could you clarify which of these you are looking for?