Otter will install on any supported version of Windows; simply click through the installer to get Otter up and running in minutes. Through the installer, you will select the edition you wish to install, a trial, the free edition, or enter a license key. Refer to the screenshot at the bottom of this page for clarity. Alternatively, review the Otter Installation Guide for more details.
Looking to Buy?
You can upgrade to Otter 1.5.5 from any previous version of Otter. Just run the installer to update your installation.
If you need to download an older version of Otter or an alternate installation package, please visit the all versions page.
What's Next for Otter
Check out our Otter Roadmap to see where it all started, and where we want to take Otter in the future.
Selecting the Edition
This is step six in the Otter Installer, this is where you select which edition of Otter you'd like to use (Free, trial, or enter a Key).