[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\
Protocols\TLS 1.1\Client]
"DisabledByDefault"=dword:00000000
For TLS 1.2
Registry location:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANN
EL\Protocols\TLS 1.2\Client
DWORD name: DisabledByDefault
DWORD value: 0
Example .reg file
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\
Protocols\TLS 1.2]
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\
Protocols\TLS 1.2\Client]
"DisabledByDefault"=dword:00000000
5.
Reboot