Before installing, disable any active firewalls or heavy background processes that might interrupt the installation script. If you have previous versions of Lightroom, it is often best to back up your presets (located in AppData\Roaming\Adobe\Lightroom\Develop Presets on Windows) before proceeding. 2. The Creative Cloud Desktop Method Open the app. Navigate to the "All Apps" tab.
A major pain point in earlier CC versions was the import speed; the 2019 update optimized the pipeline for high-resolution RAW files. System Requirements for a Smooth Install
Go to Preferences > Storage and increase the Global Quantity to at least 20% of your free disk space. This speeds up the loading of high-resolution previews.
