The Aladdin Knowledge Systems Ltd. has been acquired by the SafeNet Inc. The downloads and products have merged with the new company. There is a page with token downloads but you'll have to forward an inquiry in order to obtain the necessary downloads. No mention about the license type is displayed, but you have the possibility to download the installation packages from the Software Informer application page.
There are two downloads available, one for 32bit and one for 64bit.