WinKassa POS Software

User Manual (English Edition)
Most used and tested version since 2021. Compatible with all Windows versions, including Windows 10 and 11.

A free 30-day trial version is available. When you purchase, you will receive the 2026 version with additional features, modules, and enhanced experience.
For pricing of the scale module, please contact the address at the end of this manual.

Disclaimer

WinKassa.nl is not responsible for any loss of data, damages, or technical malfunctions resulting from the use of the free version of this software.
End users are responsible for verifying the safety of downloaded files, including performing virus and malware checks.

1. System Requirements

WinKassa.nl Light:

Compatible with all Microsoft Windows versions

Fully supported on Windows 11

Recommended: 4 GB RAM, 1 GHz CPU, 500 MB free disk space (minimum requirements may vary based on usage)

2. Installation

Open the downloaded ZIP file.

Copy the folder BircanWKL to the root of drive C:\
Example: C:\BircanWKL

Navigate to: C:\BircanWKL\BircanWKL.exe

Choose one of the following options:

Create a Desktop shortcut

Pin to the Taskbar

Add to Favorites

(Optional) Run as Administrator if you encounter permission issues.

3. Resetting Sample Data (Products & Sales)

The software includes sample products and groups for demonstration purposes. These can be reviewed, modified, or deleted.

Reset Procedure:

From the Admin Main Screen:

Menu 9 – Extra

3 – Data

11 – Reset Data

Select YES to continue.

In the reset window:

Select rows 3, 4, and 5 (the three orange rows below the first two yellow rows)

Click the red triangle on the right.

Confirm again with YES.

✅ Sample data will be permanently deleted. This action cannot be undone.

4. Company Registration

Before adding your own products, complete your company registration.

Menu 1 – File

7 – User / Registrant

Enter your details:

City

Postal Code

Country

Save using F5 or OK.

Ensure all details are correct before saving.

5. Language Settings

Menu 9 – Extra

5 – Settings

Open Language (Tab 2)

Select the desired language

Save using F5 or OK

Some changes may require restarting the software.

6. VAT (Tax) Configuration

WinKassa supports unlimited VAT rates.

Configure VAT Rates:

Menu 9 – Extra

5 – Settings

Open VAT (Tab 3)

Enter:

VAT percentage (left column)

VAT description (right column)

Save using F5 or OK

Multiple VAT rates can be applied to different product groups.

7. Receipt / Ticket Configuration
7.1 Receipt Header Settings

Menu 9 – Extra

5 – Settings

Open Cash Drawer (Tab 6)

Configure:

Receipt title / header

Store name

Address

Postal code and city

Phone number

Note: Store names longer than 20 characters may not display correctly in the Light version. This limitation is removed in the Pro version.

7.2 Bottom Message

Return policy

Social media information

Custom customer messages

Save with F5 or OK

8. Customer Display Configuration

Supported Displays:

Serial customer display

VGA customer display

Setup:

Menu 9 – Extra

5 – Settings

Open Display (Tab 7)

Select the correct COM port

Display Limit:

Maximum 20 characters per line

Example:

Welcome to
Your Shop Name


Save with F5 or OK

Ensure the COM port matches the one assigned in Windows Device Manager.

9. USB Printer Configuration

Menu 9 – Extra

5 – Settings

Open Printer / Display (Tab 7)

Select your USB printer

Click Activate USB Printer

To display VAT on receipts:

Enable Visible VAT rate on Ticket

Save with F5 or OK

10. Creating Product Groups

Click Group on the main screen

Click New

Enter group details

For products without barcodes:

Enable Make visible in the button menu

Add Group Image

Click Choose a Group Image

Select an image file

Save using F5 or OK

11. Adding Products

Click Product on the main screen

Select New

Enter:

Scan barcode (automatically detected)

Product name / description

Product group

Press F8 or click Sales Price with TAX to enter VAT-inclusive price

Bulk Import (Excel):

Import 50,000+ products

No performance limitations

Contact support for assistance

Supported formats: XLSX or CSV

12. Sales Screen Overview

Click Checkout to open the sales screen.

Sales Functions:

Barcode scan: Add product

Red (–): Remove selected item

Return: Process refunds

OPEN: Open cash drawer

X Cancel: Clear sales table

Hold On: Suspend transaction

Last Ticket: Reprint last receipt

Total: Proceed to payment

Quantity Calculator:

Change quantity or price

Add manual items not stored in the system

13. Payment Screen

Payment Methods:

Cash

POS / Card

Change is calculated automatically.

Mixed Payments:

Enter cash amount first

Select POS payment for remaining balance

Buttons:

CE: Clear entry

Cash: Use only if exact amount is paid

After Payment:

Print: Print receipt

Save: Save receipt

Cancel: Return to sales screen

Example Payment:

Total: €5.20

Customer pays €10.20

Steps:

Enter €0.20 using the 20 cent button

Press €10.00 button

Change returned: €5.00

14. Reports

Sales Summary Report:

Login code: 0 or 123

Menu path:

8 – Overview

5 – Sales

3 – Sales Report Summary

Features:

Monthly and quarterly reports

Right-click to export to Excel

15. Advanced Versions & Support

For feedback, feature requests, or assistance with larger stores and multiple checkout points:

WinKassa.nl / WinRetail.nl
Key Features:

European scale integration (10 brands)

Cash drawer support

Digital price labels

Powerful, unlimited POS functionality

📧 verkoop@prokassa.nl