go to the manufacturer's website and to click on the fourth link down on the popup menu at the corner of the login page. This should bring you to the download page. You will need to find the installation software on that page that corresponds to the model tablet you have. If you are using internet explorer, safari, or netscape navigator you can just press control F to search for the specific text. After downloading and opening the file, choose the location where the files files will be extracted to. Then open that folder and run the installation file ending with *.msi. Click on advanced options and select to install vendor software for the monoprice tablet. Let that do its thing and then restart your computer. After restarting, go to control panel, devices, and hardware, input devices, game controllers, utilities, manage utilities, tablets, monoprice, settings, advanced settings and click on the open tablet options. In the menu that comes up select the monoprice control center option. Once that opens up, go to the adjust area tab and set the area parameters. Click apply, ok, and restart your computer.