Extract the ZIP to C:\NeoProgrammer (avoid spaces in path). Run NeoProgrammer.exe as Administrator (required for direct hardware access on Windows 10/11).

The developer has hinted on GitHub that the "v22010 new" release is a precursor to a v3.0 rewrite. Features being considered:

For now, v2.2.0.10 is the most stable and feature-rich version available.

The single biggest improvement is the addition of over 400 new chip definitions. Older versions often failed to auto-detect newer Winbond W25Qxx series or Macronix MX25U series chips. v2.2.0.10 now includes:

Previously, verification errors were common due to poor USB power delivery. v22010 New introduces an "Adaptive Verification" mode. The software now reads back the data twice at different speeds and cross-references the CRC. This reduces false-positive "write fail" errors by nearly 90%.