Follow these steps to install the LeadLoft Chrome extension, Alternatively, you can install the extension from the LeadLoft Chrome store.
Download the LeadLoft extension file and unzip the folder.
Open Google Chrome and go to chrome://extensions.
Turn on Developer mode using the toggle in the top-right corner.
Click Load Unpacked.
Select the unzipped LeadLoft extension folder.
The LeadLoft extension should now appear in your list of installed extensions.
Chrome may remove or disable the extension if its folder is moved or deleted, so keep the unzipped folder in a permanent location on your computer.