I use Windows 10 and 8.1 and get this results:
_
_ _ _(_)_ | Documentation: https://docs.julialang.org
(_) | (_) (_) |
_ _ _| |_ __ _ | Type "?" for help, "]?" for Pkg help.
| | | | | | |/ _` | |
| | |_| | | | (_| | | Version 1.2.0-DEV.16 (2018-12-14)
_/ |\__'_|_|_|\__'_| | Commit 43c6b57650 (0 days old master)
|__/ |
(v1.2) pkg> st
Status `C:\Julia_depot\environments\v1.2\Project.toml`
(empty environment)
(v1.2) pkg> add Atom
Updating registry at `C:\Julia_depot\registries\General`
┌ Warning: Some registries failed to update:
│ — `C:\Julia_depot\registries\General` — registry dirty
└ @ Pkg.Types C:\cygwin\home\Administrator\buildbot\worker\package_win64\build\usr\share\julia\stdlib\v1.2\Pkg\src\Types.jl:1269
Resolving package versions...
ERROR: Unsatisfiable requirements detected for package Atom [c52e3926]:
Atom [c52e3926] log:
├─possible versions are: [0.1.0-0.1.1, 0.2.0-0.2.1, 0.3.0, 0.4.0-0.4.6, 0.5.0-0.5.10, 0.6.0-0.6.16, 0.7.0-0.7.3] or uninstalled
├─restricted to versions * by an explicit requirement, leaving only versions [0.1.0-0.1.1, 0.2.0-0.2.1, 0.3.0, 0.4.0-0.4.6, 0.5.0-0.5.10, 0.6.0-0.6.16, 0.7.0-0.7.3]
└─restricted by julia compatibility requirements to versions: uninstalled — no versions left
(v1.2) pkg>