Go to https://www.TRENDnet.com/asp/download_manager/list_subcategory.asp?SUBTYPE_ID=1061&SUBMIT=Go
Click on the "Driver/Utility" option for download and save it to your desired location.
Next right click on the folder and select to "extract all…"
Now double click the unzipped folder and then double click "autorun.exe". Now select "Run" and follow the installation wizard.