Unlimited accounts per cloud, encrypt uploads and downloads, save and load synchronizations, unlimited simultaneus downloads and uploads and starting up password are the features you can enjoy if you buy Air Explorer Pro version.
Getting the Pro Version is very easy. You can access the page of sale since the software.
Or you can just enter this url: www.airexplorer.net/proversion.php
Select the option you prefer, Lifetime or One Year, and click it. Then, you jumps to the AirExplorer Store Page where you have to complet the purchasing.
After the purchase, you will receive an email with your Activation Code that you have to enter into the software.
If everything is allright, in the Pro Version menu you can check your license data.