Windows Memory Diagnostic Mdsched.exe Microsoft Documentation ((free)) <4K>

| Option | What it does | |--------|---------------| | | Immediately reboots PC and runs the test. Recommended. | | Check for problems the next time I start my computer | Schedules the test for next reboot. Use if you need to save work first. |

This covers everything you need to use Microsoft’s official memory diagnostic effectively. | Option | What it does | |--------|---------------|

mdsched.exe /? (Shows same GUI options only) | Option | What it does | |--------|---------------|

However, you can manually schedule via registry or BCD: | Option | What it does | |--------|---------------|

bcdedit /bootsequence memdiag (This makes memory diagnostic run on next boot.)