Check motherboard and CPU support for RAM overclocking
Update BIOS/UEFI to the latest version
Enter BIOS/UEFI
Enable XMP, EXPO, or DOCP profile
Save and boot into the operating system
Test system stability
Increase RAM frequency manually if desired
Adjust primary timings manually if desired
Increase DRAM voltage within safe limits if needed
Adjust memory controller voltage if needed
Test stability after each change
Repeat small changes until unstable
Back off settings if errors or crashes occur
Monitor temperatures during testing
Save the final stable BIOS profile