There's also ARC996, which you can get from Scanner Master, and we have a table which cross references software that supports multiple scanners in our wiki. In addition, we have the FreeScan User Guide in our wiki
No matter what software you get, you're going to need to connect your PC and scanner up with a USB serial cord. The wiki has an article called 'Connecting scanners via USB' which goes into great detail on this subject. Fortunately there are many COTS (common off the shelf) models that are known to work
You can find the appropriate links at;
Programming Your Uniden Scanner - The RadioReference Wiki
best regards..Mike