Microsoft will cease support for Windows 10 in October 2025, which currently holds a 53% share of installations. To assist users during this transition, Microsoft is offering a complimentary option for security updates that requires linking accounts to OneDrive for cloud backup. Users can access a sign-up wizard for the Extended Security Updates program starting in July 2025, allowing updates until October 13, 2026, with businesses able to purchase up to three additional years of updates.