Older copies may occasionally be found on archive sites, but these are not legal or supported. For free alternatives, consider:

You won't receive any technical help or patches if your data gets corrupted.

busywin 14 rel 2 0 free marks a significant milestone in the BusyWin window management ecosystem. For the first time, the full multi-desktop arbitration engine is available under the free distribution model, without artificial process limits or background timer caps.

If you absolutely must use it, isolate it on a non-internet-connected computer. If you want to grow your business, invest in a supported, modern accounting solution. Your future self—and your auditor—will thank you.