Fixed: Office 2013 Service Pack 1 - expected version of the product was not found on the system
Problem Installing Service Pack 1 for Microsoft Office 2013 64bit edition fails with the message "the expected version of the product was not found on the system". Fix Override product detection when running the installation file. From CMD Prompt: Proplussp2013-kb2817430-fullfile-x64-en-us.exe" "PACKAGE.BYPASS.DETECTION.CHECK=1" Installation successful Notes Previously Microsoft Office 2013 32bit Edition had been installed. Then uninstalled and the 64bit version installed. Windows Updates were up to date. Check that the Office version shows the correct version for the service pack to apply. From Word File / About.