Windows Installation
Windows 11 Clean Install on Unsupported Hardware: Step-by-Step
Complete guide to performing a clean Windows 11 installation on unsupported PCs using FlyOOBE.
Published: 3/10/202510 min readUpdated: 2/1/2026
A clean Windows 11 installation offers the best performance and stability on older hardware.
Should I Choose Clean Install or Upgrade?
Clean install is recommended for older hardware—it's faster, more reliable, and results in better performance than in-place upgrade.
Clean install has 99%+ success rate vs 90-95% for upgrade. Installation time is 30 min vs 1-3 hours.
Yhteenveto
Clean installation provides the best Windows 11 experience on older hardware.
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