Windows 11 has surpassed 70% market share among Steam users, reaching 70.44% with a 0.68% increase from the previous month. Windows 10's market share has declined by 0.43%. Linux's market share has decreased by 0.30% to 3.69%, down from 2.57% last year, while macOS has risen by 0.05% to 2.21% from 1.76% last year.