Whenever a user makes changes to, for instance, Control Panel settings, or File Associations, System Policies, or installed software, the changes are reflected and stored in the registry. Overtime all these data become fragmented. This fragmentation slow down in computer and affects its overall performance.
Quicksys RegDefrag (latest version 2.3) is a free tool for Windows that optimizes and compact registry by removing gaps, fragmented and wasted space in windows registry files, thus improves the whole system performance.
Using this program is very simple. After installation, click on ‘Defrag Registry’ button, then click ‘Analyze’ after analyzing click ‘Defrag’ button for optimizing and compacting registry (a restart is required to complete the process). It will automatically create registry restore point, so that you can easily restore your registry, if anything went wrong (you can also create a back up manually).
Current version (a portable version also available) supports Windows 2000 / XP/ Vista /2008 and Seven.