It looks like you're currently on (Unknown Platform). Please note, Fission only runs on MacOS.

Fission 2 Upgrade

Move up from Fission 1

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If you own an older license for Fission (the license key will start with KRBA-), you can upgrade to Fission 2 for just $15.

Enter your Fission 1 license key below. It will be automatically verified and you'll be forwarded to our store to make a discounted upgrade purchase.

Lost Key? If you don't know your exact license key, don't worry - you can recover it, then come back here to upgrade.

Note: If your existing Fission license starts with YELO-, you already own a license for Fission 2, and you don't need to purchase anything. Just download the latest Fission and enjoy!