Memory Tester Windows 11 ((free)) (Quick · 2026)

If your Windows 11 PC has been acting up—random crashes, Blue Screens of Death (BSODs), application freezes, or file corruption—faulty RAM could be the culprit. Before you replace your memory sticks, you need to test your RAM .

, use MemTest86. The free version is all you need. Boot from USB, let it run overnight, and check the report in the morning. memory tester windows 11