Windows System:
1. Go to our Official Website and find this page: Home >> Let us Help you >> Software & Manual & Firmware.
2. Find the specified fimware, the firmware name is: Sleep Time Setting - Firmware Update for 4/5 Bay HDD Enclosure
3. There are detailed step-by-step instructions in the downloaded file, please follow the instructions to complete the firmware update.
Mac System:
1. Firmware for Mac systems is still in development.
2. Mac users please use the third-party software, like Amphetamine/KeepAliveHD.