Download

You can try ISADORA now by simply downloading the installer below.
If you have not yet purchased a license, you can do everything except save.

Isadora 4 is supported on macOS 10.14 (Mojave) through macOS 14 (Sonoma) with a 64-bit Intel or Apple silicon (ARM/M-series) processor, and on a 64-bit version of Windows 10 through 11 with an Intel or AMD processor.

Related downloads

USB Key drivers, development kits, examples, manuals and more

Buy

Fully enable Isadora 4 by purchasing a license online. Follow the links below to buy a license now or find more important information about buying Isadora 4. Please note that all Isadora 4 Licenses function on both Mac and Windows computers.

Register

Information required to register and fully enable ISADORA is sent to you via email after purchasing a license. Click the option below for your license edition for further instructions.

  • ISADORA 2 – Computer does not have Internet access
    Generate Code
  • ISADORA 4 – Computer has Internet access
    1. Make sure you have the License ID and Activation Password associated with your license.
    2. Open Isadora.
    3. Choose Help > Activate.
    4. Follow the instructions in the dialog box that appears.
  • ISADORA 4 – Computer does not have Internet access
    1. Make sure you have the License ID and Activation Password associated with your license.
    2. You will also need a USB thumbdrive or other removable media to transport the activation information from an online computer to the offline computer you intend to activate
    3. Choose Help > Offline Activation
    4. Follow the instructions in the dialog box that appears.
  • ISADORA 4 USB Key Version – You have a USB Key

    You will need to register the USB key the first time you use Isadora on a new computer, or if you install a new version of Isadora on your existing computer.

    1. Download and install the latest drivers for the USB Key by clicking the USB Key Driver item under Additional Downloads on the left side of this page. 
    2. Insert the USB Key into the computer. The red light in the key will illuminate to let you know that the drivers are installed.
    3. Open the USB Key Edition of Isadora.
    4. If you are registering a new license, choose Help > Register. If you are upgrading, choose Help > Upgrade. The registration dialog will open.
    5. Go to the email you received after you purchased your USB Key Edition license and copy the six-line registration code given there.
    6. Go back to Isadora, and paste the registration code into the field at the bottom of the registration dialog.
    7. Click the Register button. Your copy of Isadora will now be fully enabled for saving.