Net. Framework 4.0 〈DELUXE〉

static void Main()

While Microsoft ended mainstream support for version 4.0 in 2016, its influence persists. Modern versions of .NET Framework (4.8+) are highly compatible with code written for 4.0. However, for security reasons, most organizations have migrated their 4.0 applications to 4.6.2 or higher to ensure they receive modern security patches and TLS 1.2+ support. Conclusion net. framework 4.0

First Look - WCF and WF Services in .NET Framework 4.0 and “Dublin” static void Main() While Microsoft ended mainstream support