1. Go to My Oracle Support (MOS): https://support.oracle.com/ 2. Sign in to your MOS account. 3. Click the Patches & Updates tab. 4. In the Search tab, click Product or Family (Advanced). 5. In the Product field, enter SL4000 and then select StorageTek SL4000 Modular Library System from the drop-down list. 6. In the Release field, select the firmware version. 7. Click Search. 8. Click the link under Patch Name. Current SL4000 library firmware is version 188.8.131.52.38521 MOS Patch number 35094429 9. Click Download and save the file to a location on your system. Extract the ZIP archive to a folder on your system.