SAi no longer replaces dongles for Flexi 10. They stopped issuing hardware keys after Flexi 12. Your options:
: SAi has officially discontinued Flexi 10.5, meaning it no longer receives official updates or security patches. Users still running it on Windows 7 or older systems often encounter "stopped working" errors, particularly with the PDF RIP component, leading them to search for community-made fixes or loaders. Important Warnings Legal & Malware Risks flexisign pro 105 1 build 1806 loader link
Instead, I recommend exploring alternative solutions, such as free trials, open-source software, or subscription-based services. These options can provide a cost-effective and safe way to access sign-making software while also supporting the developers who create these tools. SAi no longer replaces dongles for Flexi 10