Compare the Top Payment Processing Software for Windows as of April 2026

What is Payment Processing Software for Windows?

Payment processing software is software used to facilitate payments made to and from businesses. It can process these transactions quickly and securely, allowing merchants to run their operations smoothly. The software is often integrated with point-of-sale systems or accounting programs, allowing for seamless tracking of all financial information. Users can easily manage payment gateways, report on transactions, and reconcile accounts with detailed analytics tools. Compare and read user reviews of the best Payment Processing software for Windows currently available using the table below. This list is updated regularly.

  • 1
    ACH Universal

    ACH Universal

    Treasury Software

    Easily create & transmit. Ach and positive pay files. Have you been asked to create an ACH (NACHA) file to send to your bank? ACH Universal™ helps you create ACH files for: Direct deposit for employees. Collections from customers. Payments to vendors and government agencies. Consolidating funds between accounts in different banks. Compatible With In-House Systems. ACH Universal can create ACH files from: QuickBooks - direct integration. Excel and comma delimited (csv) files. All major accounting packages, including Peachtree, Microsoft Dynamics GP/NAV/AX, Sage, ACCPAC, Macola, Epicor, Lawson, JD Edwards, SAP, MAS 90/200/500, PeopleSoft and even Oracle Financial's. Any legacy systems that can export to Excel or a csv file. ACH files created with ACH Universal are 100% compatible with your bank. ACH software is updated regularly to insure compliance with all regulations and standard entry class codes. In fact, Treasury Software is a NACHA Preferred Partner.
    Starting Price: $19.95 per user, per month
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