You can go to: http://ubersec.com/downloads for direct download of the application
Or you can follow to instructions below,
To download the latest uberharvest version please type:
root@ubersec$ sudo wget http://ubersec.com/downloads/uberharvest_2_62.tar.bz2
Once the download is completed run the following line to extract the application and you should be ready to rock!
root@ubersec$sudo bzip2 -cd uberharvest_2_62.tar.bz2 | tar xvf -
ENTER root password
root@ubersec:~/#cd [to the extracted folder location]