It tries to verify that the RAM will accept and correctly retain arbitrary patterns of data written to it. MemTest86 boots from a USB flash drive and tests the RAM in your computer for faults using a series of comprehensive algorithms and test patterns. The download links for the V4 downloads are still provided for those that prefer to work with the V4 bootable images.Memtest86 by PassMark is a comprehensive, free, stand alone memory diagnostic software It is designed to stress test an x86 compatible computer’s random access memory (RAM) for errors. In order to run MemTest86, PCs with legacy BIOS platform must use the older V4 release of MemTest86. Windows, Linux, or Mac (Intel CPUs only) OSĪs MemTest86 V10.6 supports only the newer UEFI platform, older PCs without UEFI support would be unable to boot MemTest86.

Note: MemTest86 does not support booting on Apple Silicon (M1/M2/M3) based Macs.įor information on creating a boot disk in Linux/Mac, visit the Technical Information page.

However, you must use either Windows, Linux or Mac to create a bootable USB drive. The version of Windows, Linux, or Mac being used is irrelevant for execution.

MemTest86 is a stand-alone program that does not require or use any operating system for execution.

Installation and usage instructions are available on the Technical Information page.

Please download the older V4 BIOS release of MemTest86 instead. On machines that don't support UEFI, MemTest86 will not boot.

IMPORTANT: MemTest86 V10.6 images support only UEFI boot.

* Once the purchase has been completed, a download link shall be provided that will contain the files needed to create your own bootable media.Ī pre-installed MemTest86 Pro USB Drive is available on our Pricing PageĪ site license is also available, for unlimited use of the software in a company, on our Pricing Page Documentation MemTest86 User Guide

Download Memtest86 Pro 10.6.3000 free