2.1 Pre-Installation Requirements This section describes the pre-installation requirements. Ensure that you perform the following: Download the OFS Compliance Studio 8.1.2.9.0 archive file from My Oracle Support by searching for Patch ID 37649413 under the Patches & Updates tab. The CS 8.1.2.9.0 patch can be applied on top of either CS 8.1.2.8.0 or CS 8.1.2.8.5. Note: If you have applied any intermediate patches on top of CS 8.1.2.8.0, ensure that you apply all patches up to the latest 8.1.2.8.x version. For information on these patch numbers, see the Download the Installer Kit section in the OFS Compliance Studio Installation Guide, 8.1.2.8.0.