FAQ's » How to enable TLS 1.2 in various versions of Windows
Transport Layer Security (TLS) is a replacement of the Secure Sockets Layer protocol (SSL). It provides secure communications on the internet. It is used for web browsers and other applications that require data to be securely exchanged over a network such as an email, file transfers, VPN connection, and voice over IP.
HMRC have stopped supporting older security methods of TLS 1.0 and TLS 1.1 which were built into Microsoft Windows operating systems.
As we have mentioned in the FAQ for Requested security protocol is not supported.
(Instructions based on Google Chrome version 90.0.4480.85)
(TLS 1.2 is not supported on older versions)
(Instructions based on Firefox version 88.0 )
(Instructions based on Google Chrome version 90.0.4480.85)
(TLS 1.2 is not supported on older versions)
(Instructions based on Firefox version 88.0)
(Instructions based on Microsoft Edge version Version 90.0.818.46)