Do not download Behringer software from third-party "driver download" sites. These often host outdated versions or bundle unwanted malware. Always go to the official source.
Once you are on the XR18 product page, look for the tab. behringer xr18 software download
Navigate to the (behringer.com). Hover over the "Products" tab, select "Mixers," then "Digital Mixers," and click on the X AIR XR18 product page. Do not download Behringer software from third-party "driver