If no button appears, you are already running the latest version for your system.
Because WD Discovery is reaching "End of Support," Western Digital recommends transitioning to newer management tools. You can find updated drivers and alternative management software on the Western Digital Support Downloads page. My Book™ Duo Desktop RAID Storage User Manual Wd Discovery Software Update
: WD Discovery is the primary tool for installing firmware updates for devices like the My Book Duo . If no button appears, you are already running
: Keeping the software current ensures compatibility with the latest security protocols for your connected storage. Future Alternatives My Book™ Duo Desktop RAID Storage User Manual
: Updates often fix bugs where drives (like My Cloud Home) might disappear from the system after an OS update.
Locate the section. If an update is available, an Update button will be visible; click it to begin the installation.