To make sure you're using the latest version of Cinema 4D Lite, update After Effects CC in the Creative Cloud app.

<aside> ⚠️ As of November 2020, there is a known issue where Cinema 4D can run slowly or freeze up if you've upgraded to Big Sur on older hardware: Cinema 4D Lite is laggy or frozen (Mac)

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1. In the Creative Cloud app, go to All Apps.
2. Locate After Effects → Update.

How to install an earlier version of After Effects

If you're having issues with Cinema 4D in After Effects 2021, you may want to roll back to After Effects 2020. This will also roll back Cinema 4D Lite to version R21.

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Good to know: After Effects 2021 has Cinema 4D Lite S22, After Effects 2020 has Cinema 4D Lite R21.

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1. In the Creative Cloud app, go to All Apps.
2. Locate After Effects → click the three dots (⋯) → Other versions
3. In the Other versions dialog, go to After Effects (17.7) → Install.

How to check your version of Cinema 4D Lite

If you want to check if you're on an older version of Cinema 4D Lite:

1. In Cinema 4D Lite, go to Help → About.