Windows 7 supports TLS 1.1 and TLS 1.2. However, these protocol versions are not enabled on Windows 7 by default. On Windows 8 and higher, these protocols are enabled by default.
To enable TLS 1.1. and TLS 1.2 on Windows 7:
Import the following registry keys:
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.1\Client]
"DisabledByDefault"=dword:00000000
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client]
"DisabledByDefault"=dword:00000000