Microsoft is testing AI-powered Windows search in a new dev channel build for Windows 11 Insider testers. Announced in October, it uses semantic indexing to let users search for local files using more casual language. Like other Microsoft AI features, you’ll need a Copilot Plus PC to use it.

Microsoft will end support for Microsoft 365 for Windows 10 this October, so you'll need to buy a new Windows 11 PC.

Microsoft is significantly upgrading the search experience on Windows 11 with the introduction of semantic indexing for Copilot+ PCs. This will allow you to find files, photos, and settings using natural language,

In an announcement on the Windows Insider blog, the tech giant describes how the new Search works. Unfortunately, if you don't have a Copilot+ PC, you can't use it; the new tool u