Logo Demo software, upgrades/updates, drivers That you will find it in the nearest Siemens department to you. You need to buy a full version of LOGO! software e.g. I am looking how to download a free programming software but the Seimens website is sending me in circle.Ĭan somebody guide me, give me a link, to down load the software I am new on Seimens and I have a LOGO 230RC PLC.