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.
Microsoft set themselves up the bomb
All your corporate greed are belong to us
Microsoft: As long as Adobe, Office, Autodesk are on my side, I have nothing to worry about.