It peaked at 4.05% in March. The last 2 months it went just below 4% as the Unknown category increased. For June the reverse happened, so 4.04% seems to be the real current share of Linux on Desktop as desktop clients were read properly/werent spoofed.
The combined forces of microsoft reaching new heights of greed and intrusion, plus the massive dev efforts for the best ever GNU Linux and Proton 📈📈📈