You can try this one: <http://www.dessus.com/files/fts5.dll> It was built using >cl /Ox /MT /LD fts5.c Microsoft (R) C/C++ Optimizing Compiler Version 19.28.29336 for x64 Copyright (C) Microsoft Corporation. All rights reserved. from the current (3.35) tip of trunk. But really, you should be using whatever your wrapper-writer is providing as part of their sqlite3 wrapper package ...