To avoid malware from unofficial third-party sites, always use the official Adobe Creative Cloud installer :
Expanded support for the latest camera models and lens profiles released at that time. How to Get it Safely
Addressed reported issues such as metadata browser count errors and a Mac-specific crash when using Super Resolution in Quick Collections. To avoid malware from unofficial third-party sites, always
If you specifically need version 10.4 for compatibility, you may need to contact Adobe Support directly via chat, as only recent versions are typically listed for direct download.
Version 10.4 was a significant update focused on stability and expanding hardware support: Version 10
Visit the Lightroom Free Trial page and select the Photography Plan .
Introduced a new ability to duplicate entire Collection Sets , including all contained collections. To avoid malware from unofficial third-party sites, always
Added Nikon Tethered Live View support for the D750 and D610 cameras.