Intel (R) MSR Read Write 1.2

Intel(R) MSR Read Write by Intel Corporation is a specialized utility that provides controlled access to Model-Specific Registers (MSRs) on compatible Intel processors. It enables developers, validation engineers, and advanced users to read and write individual MSR addresses for tasks such as hardware bring-up, feature verification, diagnostics, and performance characterization.

Because MSRs can directly influence processor behavior, the tool requires administrative privileges and should be used only by experienced professionals in controlled environments. Incorrect settings may impact system stability, security, or data integrity. Intel(R) MSR Read Write is intended for low-level testing and research rather than general-purpose system tuning.

For safe and effective use, consult Intel’s processor documentation for MSR definitions and follow your platform’s policies and best practices.

Intel (R) MSR Read Write is developed by Intel Corporation. The most popular versions of this product among our users are: 1.1 and 1.2. The name of the program executable file is MSRRW.exe.

You can check Intel Driver & Support Assistant, Intel Driver Update Utility, Virtual Disk Driver and other related programs like MSR MapCruncher for Virtual Earth at the "download" section.