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Trusted Windows tools,
straight from the source.

Diagnostics, drivers and maintenance utilities worth knowing. Every button goes to Microsoft or the publisher’s official page.

✓ No repack mirrors✓ No affiliate links✓ Safety notes included
All 25 Benchmarking 3 Cleanup 1 Cooling 1 Drivers 4 Essentials 3 GPU tuning 1 Latency 1 Memory 1 Monitoring 1 Productivity 2 Security 1 Stability 2 Startup & processes 2 Storage 2
OC
Stability

OCCT

Field pick

Stress testing and monitoring suite for CPU, GPU, memory, power and combined workloads.

Best for
Validating temperatures and stability after firmware, memory or overclock changes.
License
Free personal edition / paid tiers
Platform
Windows 11 / 10
!Stress tests create extreme heat and power draw. Monitor temperatures and stop on errors.
Visit official download ↗
ME
Stability

MemTest86

Field pick

Bootable memory test that checks RAM outside the running Windows environment.

Best for
Confirming suspected RAM instability, XMP/EXPO errors or unexplained crashes.
License
Free and paid editions
Platform
Windows 11 / 10
!Any repeatable memory error matters. Return overclocks to stock before replacing hardware.
Visit official download ↗
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