As of 2026, using a 2021 preactivated build (22000.51) is highly discouraged. Current stable builds (e.g., 25H2 or 26H1) offer significantly better security features, such as enhanced virtualization-based security (VBS) and better compatibility with modern hardware.
It introduced the modernized UI, new settings menu, snap layouts, and a refined File Explorer. However, it notably lacked some features promised in later releases, such as native Android app support.
Preactivated systems may fail to receive future Windows cumulative updates or critical security patches from Microsoft, leaving the system vulnerable over time.
As the first insider preview, build 22000.51 was known to be quite stable for an early release, but was not intended for production systems.
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