One wrong byte shift will break the structure. Always validate your checksums.

is a command-line utility designed to read, modify, and rewrite this DMI data directly. The "5.20" designation typically refers to a specific version build known for stability and expanded support for UEFI-based systems released between 2018 and 2021. Unlike its predecessors, dmiedit 5.20 introduced safer write-protection handling and broader chipset compatibility, making it a favorite among technicians.

Using dmiedit 5.20 carries inherent risks. You must proceed with caution.

Ever wanted your custom water-cooled rig to show up in Windows System Information as Project: Kraken or display your shop's name as the manufacturer? DMIEDIT makes that branding permanent at the firmware level.

Here is a full overview post based on using DMIEdit to customize your system. Complete Guide to DMIEdit 5.20 for Insyde/AMI BIOS