There are two primary versions of this tool. While they share a similar name and history, they are maintained by different teams: Memtest86+https://www.memtest.org Memtest86+ | The Open-Source Memory Testing Tool
Random reboots and corrupted data are often caused by "silent" memory errors. Because your operating system (like Windows or Linux) also uses RAM, it cannot effectively test every memory address while it is running. By downloading a MemTest ISO and booting from it directly, the software gains exclusive access to your hardware, allowing it to run 13 different test algorithms across every byte of your RAM. Choosing the Right Version
The is a critical resource for anyone troubleshooting system instability, frequent crashes, or the dreaded Blue Screen of Death (BSOD). As a bootable diagnostic tool, MemTest operates outside of your operating system to perform rigorous stress tests on your RAM, identifying faulty modules that standard software might miss. Why You Need a MemTest ISO
