Installing OAK

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A modern system running Excel in Microsoft 365 Apps for Business and Windows 10 (modern for a typical OAK user of early-2022), likely already has installed everything that OAK needs. However, the prerequisites are listed here for exceptional cases.

What you need to run OAK

OAK will run under

Windows 7 SP1

Windows 8.1

Windows 10

Windows 11

The operating system needs to have the following components installed:

version 4.8 of Microsoft's .NET framework

.NET 4.8

is included in the Windows 10 May 2019 Update.

can be added to Windows 10, 8.1 and Windows 7 SP1 by you downloading and installing it.

OAK will run under

Excel 2007

Excel 2010 32 and 64-bit editions

Excel 2013 32 and 64-bit editions

Excel 2016 32 and 64-bit editions

Excel 2019 32 and 64-bit editions

Excel in Microsoft 365 Apps for Business (Click-to-run only)

Though there is a version of Excel for the Apple Macintosh, OAK is not designed to work with it.