- 1). Log on to your computer and click on the "Start" button. Choose "All Programs" from the menu and look for either "Microsoft Office" or "Microsoft Excel." If you do not have Microsoft Office installed, either use Microsoft Works or download a free spreadsheet program from the Internet.
- 2). Log on to the Microsoft Office website and search for budget and cost analysis templates. Microsoft has developed a number of ready-made templates for all versions of its Microsoft Office products. These templates already include the fields you will need to create your budget and cost analysis, as well as the relevant formulas. Plug your numbers into these free templates to instantly see the results.
- 3). Look for free templates and budget tools that work with any other software you have on your computer. There are a number of free spreadsheet tools available online, and most of them have at least a few budget templates. These templates are an excellent way to create the spreadsheets you need at no cost.
- 4). Save the spreadsheet you have created, either on your local hard drive or on your network share. Keep your budget and cost analysis updated each time new figures are released.