Possible backward incompatibility is why, if in doubt, stay with the 32-bit version. Make sure any 3rd-party Office add-ins that you rely on are stated as being Office 2010 and 64-bit compatible. To check, see Which Windows operating system am I running?. What you need to know before installing 64-bit Office: If you don’t activate it when you install, you can activate it later from an Office application by clicking File > Help > Activate Product Key.įor more information, see Activate Office 2010 programs. You’ll need to activate Office to keep your Office programs filly working. In the Activation wizard, click I want to activate the software over the Internet, and then follow the prompts. Read and accept the Microsoft Software License Terms, and then click Continue.įollow the prompts and after Office installs, click Close. If you need help, see Find your product key for Office 2010.

If the setup wizard doesn’t start automatically, navigate to the disc drive and click SETUP.EXE. Insert the Office 2010 disc into the drive. To do a custom install or uninstall for specific apps, see the section below Install or remove individual Office programs or components. Note: For more information about the 64-bit version, see Choose the 64-bit or 32-bit version of Office.

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