The final official service pack was Service Pack 1 (SP1). What most users and enthusiasts refer to as "SP2" is actually the Convenience Rollup (KB3125574), a massive update package released in 2016 that bundles almost every update from the release of SP1 through April 2016. The Evolution of Windows 7 Updates
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2. Community-Built Updated ISOs (Recommended for Legacy Systems) The final official service pack was Service Pack 1 (SP1)
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