To load the AutoChart add-in

After saving the file on the hard disk, unzip the Autochart.zip file.  Save the Autochart.xla and the Autochart.chm files in a convenient directory.

Run Excel and load the add-in by selecting Tools | Add-ins... (see Figure 1)

Figure 1

Click the Browse... button (see Figure 2), and locate and open the Autochart.xla file saved in the previous step.  Ensure that the checkbox next to the Autochart entry is checked.

Figure 2

The Autochart add-in is now available for use.