@kundalini I don't know about GPG4Win, since I haven't used it in a long time, but it's pretty easy in GPG4USB. Check out the tutorial in my signature. You'll be up and running with a 4096 bit key in 10 minutes. Here's a message: -----BEGIN PGP MESSAGE----- hQEMAyMQYUO0CtXHAQgAoiihlssg5Z6dUm8IbD3TIDe6VLGlpL4Rnkn1WLDPm3Si uCIYPuDn0kixEGO0hfEFVpyZQnDu+kUMIBseace1L/nlxtan2Ooydrqptdyq19O0 HFR5cNiQz32KaaUmwxk1nQuI4Qfo/8wTXkYLKTsZ240nULC4Yt75owfRcTc+FAF9 uXRQbhvAkD0xNOjshOgnajkW2LwjtMSMIVQ5Bj99TuCnZyhEh8A6+TJd84VTXtf2 LPL/nToXfDLUi+YhpdN25dhUhjDS9jVP5ZJ56pRde6mpuLh54SJGAJOrORhD6gJr 2M2Ix1F31BFXU1PnfPWQpY9P/RFoii8nyrjHwhQCqoUCDAP/p+UDzJJa1wEQAIZe 294P1kF8CM1udLc36/ye6LmH4r/cZggAmXAZJJu5vA3lpjOmeRZ6llj0E5PjLjMA O3CXifevIonGDvRMbPHYGbKnTnGbGQsvCd1Zjo2wZOYkkHccpvmH8mPH/W+aKUqc CYybaOntY4Fpmq0vL7++/giW8A0u+pIQPRhY6keAZjYqax+eBQJYNaWCwz/Y1nj4 BCcnpOdhEP0LlJIXOJeK/BBw7vp80EdjaxHu2h5ypP6/v/h5LupO0jPAteNmQePu JpM0jz5YNZJRp0P2ahjyeLq6PbY+MXZm4QASP/Jd/I2y/+SVRziFfBlBvDvl17WK mK1Oc8bqs8vPfAAaab3f9HNXYQKofrVVZG9DV9xzv3+gS3LLwZ9hiZKcpg3eh3SH ESE1/cs+7rerD/dC/XDKCqLT4Bf8Vi7xngFa4QolwKeixMA5wXK16ZUdBbPARjrL uskXM6nyh59WXOgQh/iCfSMuqn4Dj7Ba9lGqAJhY8C61nqqRyKS0ftFQq/ZzrjCE +7fNtCSVRk7+u7TGc+9zgHarohZ+IX9WUbr0/qSYzjaJGZ/Arex3wYmJNo1wEaZO spT1NUS/kwrMTdwO+fQb6Sa3sW+tK0BTteEyXPZdtOE8a6Y4i+Zxp8NHmWpxuSHw XiaLgxRNQhVuYjtG1sVwlQaRijUBgjXR8qet+M/L0sASAbbmlA9DR1k7lJatGLp8 Fp8e+GL4hk/vZZZq0TIbZrFaEn6CZl27frkeM/AlF7jj2KcEI/EY4m0b210bza9L 2T05X/p7oOQq9Lfe+dDff2xHrZN2jrq6evwY1odApKwYN77OU22K5As9ZQ4nNPvL ZxBnCdfCDJvN79A5Y0mkVxNDnVum8DkF1SSyXIfEyi/S5p4uHkL/HWyr5SuT+rOk W3VEnwyiSHCxiGz48y9EpVgXWvzofB8LuIXphn/l1tOoQhMeTDFSKp7WcptFHq5P 3oTM =q5jp -----END PGP MESSAGE-----