, which function like curated libraries for specific genres or instruments. How to Open: Go to your Generators into your Channel Rack. Downloading Packs: Open the FLEX interface and click the tab on the left. Look for packs with a Download icon (downward arrow). Look for the free packs provided by Image-Line to expand your library immediately. Manual Management: FLEX packs are stored in your User Data folder Documents\Image-Line\FLEX\Packs . Each pack consists of a file and a corresponding info file. 2. Mastering the Interface The plugin is split into two main functional areas: Left Panel (The Library)