For your convenience, you can download the 2-D Doctor for access when not connected to the Internet. Download 2-D Doctor by clicking the button below to choose your preferred language, and select Save File. The file will be in .zip format. After saving the zip file on your computer, extract the files in a folder that you specify. Once the files are extracted, double-click on the Start.html file to begin. The 2-D Doctor downloadable file will be updated regularly, so don't forget to check back for the most recent version.