You can uninstall honestech Claymation Studio™ 3.0 Deluxe using its own uninstallation file or the Add or Remove Programs in the Control Panel. Also, if there is any security software on your PC that may block or interfere with the installation or removal of the software, please disable it or turn it off prior to installing or uninstalling the software. Then follow the on screen instructions from the installation wizard Note: To optimize performance of the product and your computer, defragmenting the Hard Disk Drive (HDD) prior to installing honestech Claymation Studio™ software is recommended. You can also double-click on 'Setup.exe' file on the installation CD to being the installation. Then enter 'd: autorun' (assuming the installation CD is in D drive) in the run dialog box.