All Versions of MeasureSquare 8 Desktop
Step 1: Go to File->Print
Step 2: Make sure that "MeasureSquare PDF Printer" is selected in the "Select Printer" Section
Step 3: On that same page, click OK.
Step 4: Click "Print MeasureSquare PDF Printer"
Step 5: Give your PDF file a name and save to your desired location.