The installer file is named
setup.exe
Follow this
link to download the installer.
When prompted with the following screen, click 'Save'
Once the installer has completely downloaded, locate the installer on your computer and double click it. Follow the instructions in the installer to set up your environment.
When you start up the recorder, you will see the following screen
Follow the prompts in the installer and install the recorder. There will be a few options available during the installation process.