Did you update to 6.7? If not, download from here and apply the update: Install Photoshop Lightroom
Use this guide to convert from CC trial to standalone LR6 license: How to convert a Lightroom CC trial to Lightroom 6
After installation you get a pop up screen to take a trial off Creative Cloud, you have to close this and not click on ok.
Ron E wrote:
...I actually preferred to have the software on my own computer so I can use it whenever I want, rather than pay for it monthly and not use it...
A common misconception! Lightroom CC is installed on your computer. It is not an application way up in the cloud. Perhaps the word cloud should be changed to On Line Store.