Latest official update for anyone who missed it in the wall of comments: We have today [2023-02-28] published a Lambda container base image for Python 3.10, for both x86_64 and arm64 architectures.

Officially, Python 3.9 and above are not supported on Windows 7 SP1 and Windows Server 2008 R2 SP1. Here, you can obtain unofficial Windows installers that bring back support for these older Windows ...