Mount the SATA hard drive in the bay using the screws provided with the hard drive or the case. Make sure the hard drive is securely fastened to prevent it from moving around.

Before starting, ensure you have the necessary tools and take basic safety precautions:

Remove the side panel (usually the left side when looking from the front) by unscrewing the thumb screws at the rear. Step 2: Locate the Drive Bay

Reassemble and power up

A pop-up should appear asking to "Initialize Disk." Choose (GUID Partition Table) for modern systems.

Find an empty 3.5-inch drive bay. Many cases now feature "tool-less" trays; if yours does, slide the tray out, snap the drive into it, and slide it back in. If not, slide the drive into the slot and secure it with screws on both sides. Connect the SATA Data Cable Plug one end of the SATA data cable