Download of Invoice! WinPro 1.53 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The following versions: 1.5 and 1.3 are the most frequently downloaded ones by the program users.
The default filename for the program's installer is InvoiceWinPro.exe. We recommend checking the downloaded files with any free antivirus. The actual developer of the program is BLS Software. The software lies within Business Tools, more precisely Finances.
From the developer:
Invoice! WinPro is an easy-to-learn system for creating invoices and producing reports. The intuitive interface lets you complete forms to build invoices, calling on databases of customers and products that are similarly easy to update and maintain. Invoice! WinPro has straight-forward, preformatted, previewable reports for salesmen, taxes, pick lists, low inventory, credit card processing, multiple companies and more.
You may want to check out more software, such as Invoice OCR C#, Invoice Expert or EZ-Invoicer, which might be similar to Invoice! WinPro.