Download BAS Accounting Software

Download for Windows

Version v0.9.10 · 16.3 MB · Windows 10 / 11 (64-bit)

Or email support@businessaccountingsoft.com

View releases on GitHub

First-time install guide for Windows 10 & 11

Because this is an independent offline software installer, if Windows SmartScreen shows "Windows protected your PC", simply click More info and then Run anyway.

Official BAS Windows installer Local desktop operation Clean Uninstaller Included

Install in three simple steps

  1. 1Click the 'Download for Windows' button above.
  2. 2Open the downloaded setup (.exe) file on your computer.
  3. 3Follow the setup wizard, launch the app, and start billing.

Hardware & System Compatibility

  • Windows 10 or 11, 64-bit
  • 4 GB RAM (8 GB recommended)
  • 500 MB free disk space
  • Internet only needed for cloud backup and updates
  • Thermal printers (58mm & 80mm ESC/POS)
  • Barcode scanners (USB & Wireless)
  • Standard A4 / A5 Laser & Inkjet printers