The best and most straightforward way to obtain Adobe Photoshop Lightroom CC is through Adobe's official channels:

If you're looking for free alternatives to Adobe Lightroom, there are several options available:

Adobe Photoshop Lightroom CC (now commonly referred to as Lightroom) is a photo editing and management software that provides a comprehensive set of tools for photographers to enhance, organize, and share their photos. Lightroom is widely appreciated for its powerful editing capabilities, non-destructive editing approach, and seamless integration with other Adobe Creative Cloud applications.