No, Let's Encrypt does not work in either Chrome or IE on Windows XP [1]. This is a known bug with their intermediate certificate [2]. [1] https://github.com/l

No, Let's Encrypt does not work in either Chrome or IE on Windows XP [1]. This is a known bug with their intermediate certificate [2]. [1] https://github.com/letsencrypt/letsencrypt/issues/1660 https://github.com/letsencrypt/letsencrypt/issues/1660 [2] https://community.letsencrypt.org/t/help-needed-windows-xp-support/8756 https://community.letsencrypt.org/t/help-needed-windows-xp-s...