: MagTek provides official demo software for testing and configuring their USB and serial readers. They offer a specific Mini Swipe Card Reader Support page with drivers and demo applications. IDTech Demo Software
For developers, use CardWizard from GitHub. For script kiddies looking to bypass security—stop here. These tools are for legitimate engineering and administration, not fraud. magcard write read utility program free link
Swipe a known working card (like a gym membership card) to see if the data populates the fields. : MagTek provides official demo software for testing
Most MSR (Magnetic Stripe Reader) devices come with a mini-CD or a download link for a proprietary "MSR Software" utility. This is usually the most stable way to write data to tracks 1, 2, and 3. magcard write read utility program free link