For the GRCP web-based practice exam no special software installation is required. because it is a browser-based GRCP practice test. The web-based GRC Professional Certification Exam practice exam works on all operating systems like Mac, Linux, iOS, Android, and Windows. In the same way, IE, Firefox, Opera and Safari, and all the major browsers support the web-based OCEG GRCP practice... https://www.pass4cram.com/GRCP_free-download.html