It does not support the full SLC 500 line or high-end features like online editing (changing code while the machine is running).
In the search bar, type "1763" (the catalog number for MicroLogix 1100) or "RSLogix Micro". Select Version: rslogix 500 full version free download
Once you have created an account, go to the Rockwell Automation software download page. Click on "Software" and then select "RSLogix 500" from the list of available software tools. It does not support the full SLC 500