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OAK is free to try

To get started with OAK 4, download it from this web page and install it on your computer. It will function for 30 days from installation. It's the full thing, not restricted in any way.

If you have already evaluated OAK 4.0, version 4.1 will provide another 30 day evaluation period.

Downloading

OAK is packaged as a single executable file, which contains all the prerequisites for OAK on the target operating system, or as a smaller .msi file for advanced users. These can be downloaded directly, or by using the provided download manager.

Installer

Download

Size (bytes)

Full installation (recommended)

•Includes all prerequisites

OAK4-setup.exe

21,636,792

Compact installation (advanced users)

•Assumes prerequisites are already installed

OAK4.msi

11,947,008

Download Manager (recommended for slow or unreliable connections)

•Downloads either the full or compact installer to your computer's desktop.
•Resumes downloads after broken connections.
•Enables users to pause the download and resume it later.
•May be blocked by firewalls in high-security environments.        

OAK4-downloader.exe

368,096

Advanced users may prefer the .msi installer which does not contain any of OAK's prerequisites. These prerequisites are listed here: Excel 2007 and Excel 2000-2003.