You're looking for a free version of Adobe After Effects CC 2017. I must inform you that downloading copyrighted software without a valid license or subscription is not recommended and may be against the terms of service of the software.
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Its Fusion tab provides advanced node-based compositing for free, alongside industry-standard color correction. adobe after effects cc 2017 free
If you are considering running this version on an older machine, here are the official requirements: You're looking for a free version of Adobe