5 Best Microsoft Windows Operating Systems

Updated January 2026

1.

Microsoft Windows 8 - Upgrade [Old Version]

9.6

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2.

Windows 10 Pro Upgrade [PC Online code]

Microsoft Corporation

8.8

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3.

Microsoft Windows 10 Pro | USB Flash Drive

8.6

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4.

Windows 10 Home 64 bit OEM | DVD | FPP | English

8.0

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5.

Exam 98-349 MTA Windows Operating System Fundamentals

7.2

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