MemTest86 is a Windows app for evaluating the quality of RAM modules. It contains a collection of tests for verifying that all the memory addresses can be written to and read from correctly.

What is it for

This versatile tool is used for various purposes. You are able to troubleshoot problems like random crashes, blue screens or unexpected data corruption. New RAM can be tested before installing the operating system as well. Additionally, there is an option to test the stability of overclocked memory modules.

How to use

It is necessary to write the provided IMG disk image to a blank USB Flash drive. A program for performing this operation automatically is included in the package. Alternatively, users can utilize Ventoy or another similar application. The next step is to boot the computer from the newly created media and configure the testing profile.

Diagnostics

You are able to put the memory under stress to validate its speed and quality. Moreover, it is possible to write random data to all cells for ensuring their availability. After performing all selected tests, final evaluation results will be displayed on the screen and saved to a separate text file.

Features

free to download and use;
contains instruments for testing RAM modules to detect potential hardware issues;
lets you validate system stability after overclocking the memory;
it is possible to evaluate each individual cell by writing and reading random data;
compatible with all modern versions of Windows.