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If you tell me what you are using (e.g., Windows 7, Windows 11), I can provide the specific steps to ensure your software is compatible and fully updated. Search your inbox for a purchase confirmation from
This version, , is a legacy product originally released as part of Norton's 2013 lineup. While it was highly regarded at the time for its improved performance over older, heavier versions, it is now considered obsolete and is officially in its "End of Life" phase . Status of Serial Keys for Version 20.x norton internet security version 20.0.0.136 serial key