Find the property that the document relates to in the tracker system and choose the "edit" option on the right side of the screen.

Once you are on the property page, select "Six Part File" from the property navigation bar under the property photos and description.

Finally, navigate around the six part file until you have found the file to which you would like to upload your file. The, double click on the file or file name to activate the upload process. This should trigger a pop up window that looks like this:

You can drag and drop your file or files into the area labelled "Drop documents here" or you can click in any of the white space in the drop documents box to active your file explorer and choose a document that way. Once you have the file that you need selected, click "Finish."