Get the power of digital thought.

The complete app — every feature, every platform — free forever. No account, no credit card, no limits.

Version 15.0

Download

Requires Windows 10 or higher

Also available as .msi or .zip

Also available for , , and

What's New in TheBrain 15?

TheBrain 15 introduces groundbreaking agentic AI, delivering up to 5x faster performance with a completely redesigned unified interface across all platforms.

Get the Details

PRO IS NOW FREE!

Is it really free?

Yes. The complete app is free for everyone — unlimited thoughts, every feature, no expiration, no account required. Paid plans add optional cloud sync, AI, and collaboration.

Compare plans

Need an earlier release?

While not supported, we still offer downloads of older versions.

Go to the archive

Can't install right now?

Use the web client to access your brains from any browser. No installation required.

Getting started?

Explore our tutorials and documentation to get the most out of TheBrain.

View tutorials