One time charge and you own the software. Once you have purchased this dongle, you will not need the internet to run your software. It is approximately the size of a quarter. The dongle is a small thumb drive piece that you will need to use a usb port to plug into. The dongle can be used on any computer, anywhere, anytime. You will never need to renew your subscription again. The SignCut dongle is a complete purchase of the SignCut software. We are convinced that you can come up with more interesting ways to use SignCut. Create large multi-tiled jobs with unique mounting-help. Create masking for airbrush, tattoos, painting, sandblasting. Create indoor name-plates and company logos. Here are a few examples of what you can do: SignCut Productivity Pro works with Windows XP/Vista/7 and Mac OS X 3.9 to current If you use CorelDraw, Adobe Illustrator or the popular freeware software Inkscape to create your designs / artwork, then SignCut is a perfect match, especially with our plug-ins that will transfer your work to SignCut in a flash. SignCut Productivity Pro is the world leading software for signmaking! Only license extensions can be made for version 1. Please note, version 1 is no longer available for new license purchases. Version 2 available for new license purchase.