I've been using a free tool by voidtools tool called "Everything" for years, it provides almost-instant search on windows NTFS volumes: https://www.voidtools.com/support/everything/
It's the difference between synchronous indexing that's baked into the system (as in file system metadata structures and database indexes, which update at the same time your data is changed) vs. fragile add-ons that index asynchronously (which in general I find tend to be too slow to update, missing results, and prone to breaking).