You will receive an email with a serial number as well as a link to an installer, to the email you provided at checkout. First, run the Butterfly Effect installer. If you already have iLok license manager on the computer: Launch your DAW. Click ‘Activate’. (If you are not presented with the activation window on launch of your DAW, launch the iLok License Manager, log in to your iLok account and select Licenses -> Redeem Activation Code from the toolbar, and enter your serial there instead.) Enter your serial number Choose where to authorize your license to (iLok cloud, local machine or iLok key). Each license includes activation on two devices. If you don’t already have iLok license manager on the computer: An iLok account and an iLok License Manager installation is required. A physical iLok key is not required. Create a free account at iLok.com (Don’t forget to activate the account by clicking the link in the confirmation email). Download and install the iLok License Manager. Launch and sign in to iLok License Manager. Launch your DAW. Click ‘Activate’. (If you are not presented with the activation window on launch of your DAW, launch the iLok License Manager, log in to your iLok account and select Licenses -> Redeem Activation Code from the toolbar, and enter your serial there instead.) Enter your serial number Choose where to authorize your license to (iLok cloud, local machine or iLok key). Each license includes activation on two devices. Enjoy * Online access is required for the initial activation of Butterfly Effect or the Demo