diff --git a/salt/defaults.yaml b/salt/defaults.yaml
index 3e743e4..b35c418 100644
--- a/salt/defaults.yaml
+++ b/salt/defaults.yaml
@@ -11,6 +11,7 @@ salt:
   use_pip: false
   clean_config_d_dir: true
   restart_via_at: false
+  parallel: true   # salt.git module argument
 
   config_path: /etc/salt
 
diff --git a/salt/formulas.sls b/salt/formulas.sls
index 7731d14..ad7b09a 100644
--- a/salt/formulas.sls
+++ b/salt/formulas.sls
@@ -34,13 +34,15 @@
 {%-       do processed_basedirs.append(basedir) %}
 {{ basedir }}:
   file.directory:
-    - parallel: {{ grains['saltversioninfo'] >= [2017, 7, 0] }}
+    - parallel: {{ salt_settings.parallel }}
     {%-   for key, value in salt['pillar.get']('salt_formulas:basedir_opts',
                                                {'makedirs': True}).items() %}
     - {{ key }}: {{ value }}
-    - user: {{ salt_settings.rootuser }}
-    - group: {{ salt_settings.rootgroup }}
     {%-   endfor %}
+    - user: {{ salt_settings.rootuser }}
+        {%- if grains.kernel != 'Windows' %}
+    - group: {{ salt_settings.rootgroup }}
+        {%- endif %}
 {%-     endif %}
 
 # Setup the formula Git repository
@@ -54,7 +56,7 @@
 {{ gitdir_env }}:
   git.latest:
     - name: {{ baseurl }}/{{ f_name }}.git
-    - parallel: {{ grains['saltversioninfo'] >= [2017, 7, 0] }}
+    - parallel: {{ salt_settings.parallel }}
     - target: {{ gitdir }}
     {%-   for key, value in options.items() %}
     - {{ key }}: {{ value }}
diff --git a/salt/init.sls b/salt/init.sls
index e0eecb1..bc1a5d6 100755
--- a/salt/init.sls
+++ b/salt/init.sls
@@ -6,7 +6,7 @@ include:
       {%- if salt.config.get('salt_formulas:list') %}
   - salt.formulas
       {%- endif %}
-      {%- if salt.config.get('salt:master')|length > 1 %}
+      {%- if salt.config.get('salt:master')|length > 1 and grains.kernel != 'Windows' %}
   - salt.master
       {%- endif %}
       {%- if salt.config.get('salt:cloud')|length > 1 %}
diff --git a/salt/master.sls b/salt/master.sls
index 10d5bb3..3a6835d 100644
--- a/salt/master.sls
+++ b/salt/master.sls
@@ -7,6 +7,8 @@ include:
   - .pin
 {% endif %}
 
+{%- if grains.kernel != 'Windows' %}
+
     {%- if grains.os == 'MacOS' %}
 salt-master-macos:
   file.managed:
@@ -75,3 +77,12 @@ remove-default-master-conf-file:
 remove-old-master-conf-file:
   file.absent:
     - name: {{ salt_settings.config_path }}/master.d/_defaults.conf
+
+{%- else %}
+
+salt-master-install-skip:
+  test.show_notification:
+    - text: |
+        No salt-master state for Windows
+
+{%- endif %}
diff --git a/salt/osfamilymap.yaml b/salt/osfamilymap.yaml
index 1a530d8..5dc1a9f 100644
--- a/salt/osfamilymap.yaml
+++ b/salt/osfamilymap.yaml
@@ -15,11 +15,14 @@
 {%- set suse_testing_repo = ':/products:/next:/testing' if [osfamily_lower, osrelease] == ['suse', '15.2'] else '' %}
 
 #from template-formula
-{%- if grains.os == 'MacOS' %}
-{%-   set macos_rootuser = salt['cmd.run']("stat -f '%Su' /dev/console") %}
-{%-   set macos_rootgroup = salt['cmd.run']("stat -f '%Sg' /dev/console") %}
+{%- if grains.os_family == 'MacOS' %}
+{%-   set rootuser = salt['cmd.run']("stat -f '%Su' /dev/console") %}
+{%-   set rootgroup = salt['cmd.run']("stat -f '%Sg' /dev/console") %}
+{%- elif grains.os_family == 'Windows' %}
+{%-   set rootuser = salt['cmd.run']("id -un") %}
 {%- endif %}
 
+
 Debian:
   pkgrepo: 'deb http://repo.saltstack.com/{{ py_ver_repr or 'apt' }}/{{ osfamily_lower }}/{{ osmajorrelease }}/amd64/{{ salt_release }} {{ oscodename }} main'
   key_url: 'https://repo.saltstack.com/{{ py_ver_repr or 'apt' }}/{{ osfamily_lower }}/{{ osmajorrelease }}/amd64/{{ salt_release }}/SALTSTACK-GPG-KEY.pub'
@@ -130,6 +133,7 @@ Windows:
   salt_minion: salt-minion{{ '-' ~ py_ver_repr if py_ver_repr else '' }}
   config_path: 'C:\salt\conf'
   minion_service: salt-minion
+  rootuser: {{ rootuser | d('') }}
 
 MacOS:
   salt_minion: salt
@@ -138,5 +142,5 @@ MacOS:
   config_path: /private/etc/salt
   minion_service: com.saltstack.salt.minion
   ## from template-formula
-  rootuser: {{ macos_rootuser | d('') }}
-  rootgroup: {{ macos_rootgroup | d('') }}
+  rootuser: {{ rootuser | d('') }}
+  rootgroup: {{ rootgroup | d('') }}
diff --git a/salt/osmap.yaml b/salt/osmap.yaml
index 2224a23..bd8ba2c 100644
--- a/salt/osmap.yaml
+++ b/salt/osmap.yaml
@@ -61,3 +61,6 @@ MacOS:
   master_service: com.saltstack.salt.master
   salt_master_macos_plist_hash: 8435331b2d48ca8f0759f216e5b15ec9171a4216b1441328c732c6906728b7c9
   salt_minion_macos_plist_hash: 26b33da12e0d8960ee96b488c8352002c22a377c19bf3df3f986a1e49eca8b20
+
+Windows:
+  parallel: false   # not supported on windows/cygwin