Search notes:

Registry: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols

Subkeys that are possible under the registry tree HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols are

SSL 2.0
SSL 3.0
TLS 1.0
TLS 1.1
TLS 1.2

See also SSL/TLS.

Each of these subkeys can have the two sub-subkeys Client and Server with a value DisabledByDefault.

See also