You can always try running older programs in compatibility mode. Conversely, much older software that hasn't been updated in years may run into errors while running on newer operating systems like Windows 10. Older versions of Windows often have trouble running modern software and thus Apache OpenOffice may run into errors if you're running something like Windows XP. Does Apache OpenOffice work on my version of Windows? It's good practice to test any downloads from the Internet with trustworthy antivirus software. We tested the file Apache_OpenOffice_4.1.10_Win_x86_install_en-US.exe with 16 antivirus programs and it turned out 100% clean. Apache OpenOffice 4.1.10 is available to all software users as a free download for Windows. This download is licensed as freeware for the Windows (32-bit and 64-bit) operating system/platform without restrictions. The product is a multi-platform office productivity suite. org is both an Open Source product and a project.