Because FormFlow is obsolete and no longer supported by HP/Autonomy, there is no official, safe download link for Frminst.exe from a verified Microsoft or HP source. Any website offering this file today is almost certainly a third-party archive or a potentially dangerous download portal.
It's important to be very careful with any file named because it is not a standard Microsoft Windows file, and search results for it are dominated by unverified third-party download sites. Frminst.exe Download
Here is a neutral, factual write-up about the file, its purpose, and the risks associated with downloading it. What is Frminst.exe? Frminst.exe is an executable file primarily associated with FormFlow software, a now-discontinued electronic forms management system developed by Cardiff Software (later acquired by Autonomy, an HP company). In its legitimate context, Frminst.exe is an installer or update utility for FormFlow form designer or viewer components. Because FormFlow is obsolete and no longer supported