Description
Saio GST Billing Software for Windows
A desktop billing and record-keeping application for Indian businesses. Create GST invoices, maintain product and customer records, prepare quotations, record credit/debit notes and purchases/expenses, and export monthly Excel workbooks.
Key features in the supplied v1.8.9 customer guide
- B2B and B2C customer and invoice workflows.
- CGST/SGST and IGST calculation using the configured seller and customer state codes.
- Product register with SKU, barcode, HSN/SAC, GST rate and stock quantity.
- Quotation creation, PDF output and saved quotation register.
- Credit notes, debit notes and purchase/expense records.
- Monthly Excel workbook with invoice, HSN summary, notes and purchase/expense sheets.
- Company settings, bank details and UPI collection details for invoices.
Licence and activation
This is a one-time purchase for a lifetime licence. The desktop application uses a 16-digit activation key. A 10-day trial is available under the current licensing configuration. The supplied guide states that one licence supports up to three active computers and three active public IP addresses under the current server configuration. The key is issued separately after order verification; it is not the WooCommerce order number.
System requirements and important notes
Windows desktop or laptop application. Not an Android, iPhone or macOS application. Internet access is required for initial trial registration or lifetime activation. Back up the local database before reinstalling or updating. The application stores its business data locally on the computer.
Important: GST reports are preparation workbooks, not GSTN-certified upload files. Users must verify GSTINs, HSN/SAC codes, tax rates and return figures with their tax professional. The application does not replace professional tax advice.





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