Adobe for purchase as a standalone (perpetual license) product. Adobe transitioned Lightroom exclusively to a subscription-based model via Adobe Creative Cloud in late 2017. Key Status Details

If you already own a license and need to reinstall it, note the following: Lightroom 6 and Windows 10 - Adobe Community

Lightroom 6 (v6.14) was the final perpetual license version ever released.

Modern versions of Lightroom and Lightroom Classic are only available through subscription plans , typically starting at approximately $9.99–$11.99 USD per month. If You Previously Purchased Lightroom 6