https://download.freebsd.org/ftp/releases/amd64/amd64/ISO-IMAGES/12.0/

SHA512 (FreeBSD-12.0-RELEASE-amd64-bootonly.iso) = b2a39f0a965a08a4fedf122cb898667c62db80cfe674dc22c062e0c2bad59431fe6fe9730853afdaaefd21e64053c0dfcec5eb81cb56e72d7e5207ed6b8352bd
SHA512 (FreeBSD-12.0-RELEASE-amd64-bootonly.iso.xz) = a222503d3f0094dc2292d52edf1f4df316f20ab76beca298bef6136e3f031d15fb7cbd3fe5792ed3f3a90adf56e1f2ba491c4778c717cc440ab7e580ad87537e
SHA512 (FreeBSD-12.0-RELEASE-amd64-disc1.iso) = f070a18b76f525ad4ec2798c3b8fc301672202835bad99129a253f034218ac54c3d09048c2be2b4de111a2f301b2ebd60c128ae0577a6f162489ed21b7379792
SHA512 (FreeBSD-12.0-RELEASE-amd64-disc1.iso.xz) = 5bc6a17b5c86f3e94b60cffd74d75c5973feb03d0c882db5eb11b3ed1dd919c45cfec0f6de9d1b7134c1ccb4ac4485af468a215c4e3daf71b5b88af1ea2ac864
SHA512 (FreeBSD-12.0-RELEASE-amd64-dvd1.iso) = 9f5530868b7cbdfc08aeba511d976e6c31b73577a873b405cf45971c28c5038e5db2aba93d0da1aa45606905255323ec4d2d11d3edaa12374c2763c85c561483
SHA512 (FreeBSD-12.0-RELEASE-amd64-dvd1.iso.xz) = ff7c0650969a31721841a6aa6afea9a7a53529383187b18d50178c930f7106fef94c6126d1ef6a846b5c3f91d775c6c54f50329645273eafb5bd1b12da590cb2
SHA512 (FreeBSD-12.0-RELEASE-amd64-memstick.img) = 87b29c56828eb847371563b44ed84adcb0a060c710fd928d96798f2fceb60f13a52232b7bce6540b586fa4ee0c4af8de0110075d994d17b3dc57fb363f4b74d1
SHA512 (FreeBSD-12.0-RELEASE-amd64-memstick.img.xz) = d630649a6e36132b34e3b1f97bf6a154a6dfe106bd13346ee0153b8804e48bf48aa55c65f50ca718e74f88fc56549db3ca07f8b7fe17bf4169b1e7da49ef0bdd
SHA512 (FreeBSD-12.0-RELEASE-amd64-mini-memstick.img) = 39a01d41b79bfb8a1be7f7309581ef9a61c79bd28947014a7b318929fdd315015882ce7d21d27a4322e4a67e83d9931b71c70be15eb393d82642bf883dfc2c46
SHA512 (FreeBSD-12.0-RELEASE-amd64-mini-memstick.img.xz) = fc23600d93a3ced2810146bee075d4bd158081db504d41e8fec83af59803400d0f38dd71e51b6f673edee9aa950167fe112a9acde37f64da7ae4d0517a0bd530

https://download.freebsd.org/ftp/releases/i386/i386/ISO-IMAGES/12.0/

SHA512 (FreeBSD-12.0-RELEASE-i386-bootonly.iso) = 3f830fd32a25bbcf14f8a4e1598c74466bb16016bbf86f79beba8aa568f0d6dfe438da1288d1bd0a7fd4a49419f4a81ba7ae2f8163c718a872724cafa97e2377
SHA512 (FreeBSD-12.0-RELEASE-i386-bootonly.iso.xz) = 87a5761d7e989bdb52eadef37c2b93d35934181f5a77d2f2905c25f516252a4cd8293d2e5be01db8714be793c5eb2fe6095a9f3809a2199dc066a7a4e408d28b
SHA512 (FreeBSD-12.0-RELEASE-i386-disc1.iso) = b2c339fe25c327f62eda6c9a846fd44ba9075288384db6033e8761bbb24ea90e2191cdeaa63e8640cbf839bb852afc43fc86f69436bab355513779e642080d0c
SHA512 (FreeBSD-12.0-RELEASE-i386-disc1.iso.xz) = 8f27e9674cbee2945e55227cc54d2981a18e97c70e7ba134285ad8fa8f3f26521b2c9ec231312bcb97ba6df49b7f1392f3bab806c43f2c2974e2a7b38525e925
SHA512 (FreeBSD-12.0-RELEASE-i386-dvd1.iso) = ccecb7c33dc7c3e7fb2fd3333a8b7c6bf63b9dbabbe28ecd47143a4152ebe6c58ec0267a99803e3675bceaaf8a62861ae6508e4fcbf6561065f1ca7e33c031f7
SHA512 (FreeBSD-12.0-RELEASE-i386-dvd1.iso.xz) = bb0c480ea9887e2c869fb241116f86178919a1765daad0ee3c89432a4563cd55f254044cd20d3b5e5ed6c722ad98d06fdca214e15d1377ad605ccd1345548c4c
SHA512 (FreeBSD-12.0-RELEASE-i386-memstick.img) = 880f52600db8e737673bab61185b8e2b4952143903f353f0348b20a4b8aec3f47bcbd743139b1afb1e331d05bf56fad651944134d299e2800cb02f6775089df0
SHA512 (FreeBSD-12.0-RELEASE-i386-memstick.img.xz) = 3d0813a13f5069ce3986ef7f3dfe4fc3ee5e2884ad1226b0a4ba39ecee652701593d5e5882ce1af403043e65bdb6c796ffa89c7422f8de961f9d39edee26bb9d
SHA512 (FreeBSD-12.0-RELEASE-i386-mini-memstick.img) = 9c88ef5045939690c2c507d223ab01afa0500604a0380325dc6a627a1113f47412946c95176a72d8ace70306a97cbc2d680cb8f5987b25d980a696524b49acc3
SHA512 (FreeBSD-12.0-RELEASE-i386-mini-memstick.img.xz) = 63df47030e2d6d7f710f65d65d6438bbeb0566d0f2d7f38f2edf327ad315cca108f98eebdabbb9d6edec480a0094bb1f48bf95b33417c4cf599e2542d7c516bd

 # update
 pkg update
 pkg upgrade

 # su rights for user
 pw groupmod wheel -m [user]
 
 # install
 pkg install xorg gdm gnome3 nano htop mtr firefox
 
 # Xorg config
 pkg install xf86-video-intel
 Xorg -configure
 mv xorg.conf.new /etc/X11/xorg.conf

 # add the following to /etc/rc.conf
 gnome_enable="YES"
 moused_enable="YES"
 dbus_enable="YES"
 hald_enable="YES"
 gdm_enable="YES"

 # finally reboot