1One TLS for the Whole Machine: What Schannel Is and Who Uses ItOn Windows, many programs hand their encryption to one built-in component. Learn what Schannel is, which programs follow its rules, and which quietly bring their own.Foundational 2Settings That Decide Every Connection: Protocols, Cipher Suites and Groups on WindowsThree lists on every Windows machine decide how its programs may protect a connection. Here is how to read them, who can override whom, and why a list is not a result.Foundational 3Certificates the Windows Way: Stores, Private Keys and Who May Use ThemWhy a certificate can be installed yet unusable: where Windows keeps certificates and private keys, how the stores relate, and which identity may use them.Foundational