The safest method is using the Creative Cloud manager. While Adobe prioritizes the latest versions, legacy versions are sometimes available under the "Other Versions" tab in the app settings, provided you have an active subscription.
In some cases, macOS might block the installer because it is from an unidentified developer. You can bypass this in System Settings > Security & Privacy. download adobe after effect cc 2017 mac full
As mentioned, this software was built for Intel-based Macs. If you are using a newer Mac with Apple Silicon (M1, M2, or M3 chips), the 2017 version will not run natively and may fail to open even with Rosetta 2 translation. Installation and Optimization The safest method is using the Creative Cloud manager
Better integration with other Adobe apps, allowing you to sync assets like colors, graphics, and styles across Photoshop and Illustrator. You can bypass this in System Settings > Security & Privacy
An early iteration of collaborative tools for enterprise and team users to work on the same project simultaneously. Important Considerations for Downloading