When downloading, always choose the latest minor revision available (typically v20.05 ) to ensure you do not run into database incompatibility errors out in the field. System Requirements for RSLogix 5000 v20
: Visit the Rockwell Automation Download Center. rslogix 5000 version 20 download
How to install RSLogix/Studio 5000? - Rockwell Automation Support When downloading, always choose the latest minor revision
Always:
Active support allows access to the latest minor revisions. rslogix 5000 version 20 download