The file garminexpressinstaller.exe can be found from the link above. The file has been analyzed by our antivirus solution but we advise you to check it with you own solution or try free Avira Free Antivirus.
Get the 112.4 MB and start the installation by clicking on the file and following the steps of the setup process.
You won't face problems with uninstalling the program. Click Start and then Control Panel. Choose Garmin Express and press Uninstall.