Now, check your computer download folder and install it to start your Malwarebytes free trial for 14 days on the premium plan at zero cost.However, if it didn’t download, click this link to learn more. dmg file so, click Save File to save it in your download folder. Now check your computer download folder and install it to start your Malwarebytes free trial for 14 days on the premium plan at zero cost.So click Save File to save it on the download folder of your computer. This will start the automatic download of the software.