Power off the desktop
Unplug the power cable
Press the power button for a few seconds to discharge residual power
Open the computer case
Ground yourself to avoid static electricity
Locate an empty drive bay or mounting spot
Mount the SSD in the bay or bracket
Connect a SATA data cable to the SSD and motherboard if using a SATA SSD
Connect a SATA power cable from the power supply to the SSD if using a SATA SSD
Insert the SSD into the M.2 slot and secure it with the screw if using an M.2 SSD
Close the case
Reconnect the power cable
Turn on the desktop
Enter BIOS or UEFI to confirm the SSD is detected
Initialize, partition, and format the SSD in the operating system if needed
Install or clone the operating system if the SSD will be used as the main drive