Is clean install better than upgrade for Windows 11?

Yes, clean install offers better performance, higher success rate, and faster installation.

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.

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.

Clean installation provides the best Windows 11 experience on older hardware.

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