: Connect your USB dongle. If Windows does not recognize it, you may need to manually install the legacy Sentinel drivers Compatibility Mode Right-click the installed application shortcut (usually Properties Compatibility "Run this program in compatibility mode for" and select License Activation
: Ensure your hardware dongle is connected; you may need to update its drivers for Windows 10/11. Soft-key Users SAILickey.exe flexisign 86 pro pc windows full version install
If you are a new user, consider Flexi Cloud or Flexi 22 (subscription) for Windows 11 compatibility. If you own a v8.6 license and your hardware works, a clean reinstall using this guide will keep your production running for years. : Connect your USB dongle
: Launch the application to configure your cutter and production settings. System & Compatibility Requirements If you own a v8
:
: Temporarily disable firewalls and antivirus software, as they may interfere with driver installation.