UNDERGROUND Download

Download UNDERGROUND V1.3

Just click on the 'Download' button below and download the UNDERGROUND.zip file. This version of UNDERGROUND is a full version. Just unpack it and run it. You may want to put UNDERGROUND on a USB stick. As you know, each version of UNDERGROUND is unique. In this version of UNDERGROUND the Master Password has already been set, you can log in by entering a user name of your choice and use demo version as Master Password. (All small caps with one space.)

Many people already have downloaded this version of UNDERGROUND and many people know the Master Password. You may use this version of UNDERGROUND for testing purposes in order to check the functionality and encryption etc. Of course you need to try it with a minimum of 2 users, or 2 PCs.

While logged in please do remember that there may be other people using the same trial version of UNDERGROUND too. Therefore we strongly recommend not to reveal any confidential information during these tests. You never know how many people are currently using this version of UNDERGROUND. There may be users already logged in who may monitor your conversations. Once all users are logged out there is no way to retrieve your old messages anymore. When logged out, even your own UNDERGROUND software is not able to decrypt its previous messages.

Please note: UNDERGROUND is a legal software product. However in some countries it may be illegal to use UNDERGROUND because of its advanced encryption technology.
You are advised not to use UNDERGROUND in these countries.