Please read the 'Installation Instructions.pdf' file for assistance with software installations and technical support. The file is located in the root directory of the MeasureMax+ CD-ROM. If you cannot open the file, follow these steps to install Adobe® Acrobat Reader. 1) Use Explorer to display the 'Misc\Acrobat' folder on the MeasureMax+ CD-ROM. 2) Double-click the rp500enu.exe file and follow the prompts. This is a compressed file that will install the product to the specified folder. To run Acrobat Reader, double-click on the ‘pdf’ file or select Adobe Acrobat Reader from the Programs menu.