In order to start the installation process, you need to download the setup file on your computer. You can download it from its official webpage, or you can download it through Software Informer application's page. After the download is complete, open the setup file and follow the installation steps. At one point you will be asked about the location you want to send Actcut. Choose a location that only you know and deselect the option that asks you about desktop shortcut. After the installation is ready, go to Start Menu and delete the folder that was installed there.
