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I need to install Microsoft Lync. I am using a 64-bit Windows 8.1 system, and I have tried installing both the 32-bit and 64-bit versions of Microsoft Lync Basic 2013.

When I try to install the 32-bit version, I get this message:

We can't install the 32-bit version of Office because we found the following 64-bit programs on your PC:

Microsoft Office Professional Plus 2013
Microsoft Office 32-bit Components 2013

Please uninstall all 64-bit Office programs, then retry installing 32-bit Office. If you want to install 64-bit Office instead, please run the 64-bit setup.

When I try to install the 64-bit version, I get this message:

We can't install the 64-bit version of Office because we found the following 32-bit programs on your PC:

Microsoft Access database engine 2010 (English)

Please uninstall all 32-bit Office programs, then retry installing 64-bit Office. If you want to install 32-bit Office instead, please run the 32-bit setup.

I no longer have the installers for the Microsoft Access/Microsoft Office software, as I don't have access to the webstore I purchased them from. I do not want to uninstall any of my software, but Lync won't install without me doing so. Is there a way to get around this (e.g., editing registry keys), or am I at an impasse here?

  • What exactly is the question those error messages are pretty clear. – Ramhound May 4 '15 at 21:30
  • My question is "How do I bypass these errors without uninstalling any software?" I don't see why having software on the computer should necessarily conflict. It's not as if I need the "correct" version of the software to run. It just says that I can't have the "incorrect" version. Uninstalling the software I have is an undesired result, as is not being able to install Lync. I could try doing a system backup/rollover, but that would take up too much time. I was hoping that there would be a more elegant solution. – Max Candocia May 4 '15 at 22:11
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    32-bit and 64-bit Office software cannot co-exist on the same machine. Your question doesn't have an answer except to uninstall software. The most elegant solution you have is to uninstall 32-bit software or the 64-bit software then reinstall the same bitness – Ramhound May 4 '15 at 22:36

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