Suited for Windows 8, XP and Vista, Registry Utilities Professional can be purchased as a boxed version or as an online download. It provides a quick scan that is accompanied by a detailed list of registry errors. Memory optimization and automatic registry backups are some of the benefits to be enjoyed here. These are combined with defragmentation software that is intended to help vastly increase the speed of any PC-based operating system. One license can protect up to three computers and Registry Utilities Professional is equipped with a 90-day money-back guarantee.