No. You can use any computer that has internet access and a modern web browser. You can use a PC, a Mac, a Linux based computer… it doesn’t matter. And since you can work from any computer, that means you can work practically anywhere in the world. And if your computer crashes, there’s no need to worry. All of your data is stored safely on our web site, which is backed up every day. So you can just go to a different computer, access all of your data, and keep on working.