Schannel SSP implements versions of the TLS, DTLS, and SSL protocols.
The system administrator can override the default (D)TLS and SSL protocol version settings by creating DWORD registry values "Enabled" and "DisabledByDefault". These registry values are configured separately for the protocol client and server roles under the registry subkeys named using the following format:
<SSL/TLS/DTLS> <major version number>.<minor version number><Client\Server>
These version-specific subkeys can be created under the following registry path:
HKLM SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols
For example, here are some valid registry paths with version-specific subkeys:
HKLM SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 3.0\Client
HKLM SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Server
HKLM SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\DTLS 1.2\Client
In order to override a system default and set a supported (D)TLS or SSL protocol version to the Enabled state, create a DWORD registry value named "Enabled" with a non-zero value, and a DWORD registry value named "DisabledByDefault" with a value of zero, under the corresponding version-specific subkey.
The following example shows TLS 1.0 client set to the Enabled state: 
The following example shows TLS 2.0 client set to the disabled state:
Also you can try this tool to verify the version -
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