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Supermarket POS Software – Free Offline Download for PC (Windows)

Looking for supermarket POS software or retail shop POS software that works offline, runs on Windows PC, and supports inventory, barcodes and weighing scales?
WinKassa® offers a free offline POS software download for PC, designed specifically for supermarkets, grocery stores and retail shops.

👉 Free download available – no monthly subscription required

Free Supermarket POS Software for PC

WinKassa® is a professional offline POS system for supermarkets and retail stores, trusted by food retailers across Europe since 2008.

Key advantages for supermarkets & retail shops:

  • ✔ Free POS software download for PC (demo version)

  • ✔ Works completely offline – no internet required

  • ✔ Optimized for supermarkets, grocery & retail

  • ✔ Advanced stock & product management

  • ✔ Barcode scanner & receipt printer support

  • ✔ Optional NMI-certified scale integration

  • ✔ One-time license option (no subscription)

Most Used & Tested Version

The current release is one of the most used and field-tested versions since 2021.

  • A free 30-day trial version is available

  • After purchase, you receive the latest 2026 version

  • Includes more specifications, modules and performance improvements

  • Scale (weighing) module pricing available on request via contact details below

Why Choose WinKassa® for Supermarkets?

Unlike cloud-based POS systems that fail when the internet goes down, WinKassa® operates 100% offline on your Windows PC.
This guarantees continuous checkout operations, even during network outages — essential for supermarkets and busy retail environments.

What’s Included in the Free POS Software for Supermarkets?

WinKassa® is more than a basic cash register. It is a complete supermarket POS solution.

Core POS Features

  • Offline POS software for Windows PC

  • Fast checkout screen (touchscreen supported)

  • Receipt & invoice printing

  • Cash, card & payment terminal integration

Supermarket & Retail Tools

  • Real-time inventory management

  • Barcode scanner support

  • PLU codes & product variants

  • Stock alerts & sales reports

Advanced Supermarket Options

  • Customer display

  • NMI-certified scale integration (ideal for fresh food & grocery)

  • Accounting & back-office integrations

  • Offline + online hybrid operation

Free Offline POS Software – How “Free” Is It?

WinKassa® provides a free downloadable POS demo for PC, allowing you to:

  • Test all core supermarket POS features

  • Run the system fully offline

  • Evaluate performance on your own hardware

When ready, you can upgrade to a one-time purchase license —
❌ No monthly fees
❌ No forced cloud subscriptions

This makes WinKassa® ideal for supermarkets and retail shops looking for free POS software without internet, but with professional-grade reliability.

Ideal POS Software for Supermarkets & Retail Shops

WinKassa® is widely used in:

  • Supermarkets & grocery stores

  • Retail shops & convenience stores

  • Bakeries & butcheries

  • Food retail & specialty shops

Thanks to its offline stability, WinKassa® is especially popular where checkout speed and reliability are critical.

Compare: WinKassa® vs Typical Free POS Software

Feature WinKassa® Typical Free POS
Offline mode ✅ Full offline ❌ Often limited
Windows PC support ✅ Native ⚠️ Browser-based
Inventory management ✅ Advanced ❌ Basic
Scale integration ✅ NMI-certified ❌ Not available
Monthly fees ❌ None ⚠️ Upsells
Professional support ✅ Yes ❌ Limited

Download Free Offline Supermarket POS Software for PC

Start today with a free WinKassa® POS software download for Windows PC.

👉 No internet required
👉 No subscription
👉 Trusted by supermarkets since 2008

[Download Free POS Software for PC – WinKassa®]

Frequently Asked Questions

Is WinKassa® really free?
Yes. A free demo version is available. A one-time license is optional for full commercial use.

Does it work without internet?
Yes. WinKassa® is true offline supermarket POS software.

Is it suitable for Windows PC?
Absolutely. WinKassa® is developed specifically for Windows-based POS systems.

Does it support barcode scanners and scales?
Yes. Barcode scanners, receipt printers, customer displays and certified scales are supported.

Disclaimer

WinKassa.nl shall not be liable for any loss of data, damages or technical malfunctions resulting from the use of the free version of the software.
The end user is responsible for verifying the safety of downloaded files, including virus and malware checks.

About WinKassa®

WinKassa® has been delivering professional supermarket and retail POS solutions since 2008, serving businesses across the Benelux and Europe.
The system is known for stability, flexibility and offline reliability.