diff --git a/Mac.md b/Mac.md
index 7f82ba7..12f15a1 100644
--- a/Mac.md
+++ b/Mac.md
@@ -1,3 +1,28 @@
+## Mac M1 arm64 Wekan development
+
+1) Install rosetta:
+```
+softwareupdate --install-rosetta --agree-to-license
+```
+2) Clone Wekan:
+```
+git clone https://github.com/wekan/wekan
+cd wekan
+```
+3) Install Meteor etc
+```
+curl https://install.meteor.com/ | arch -x86_64 sh
+arch -x86_64 meteor npm install --save @babel/runtime
+```
+3a) Run Meteor on localhost port 4000:
+```
+WITH_API=true RICHER_CARD_COMMENT_EDITOR=false arch -x86_64 meteor --port 4000
+```
+3b) Run Meteor on computer IP address on local network port 4000:
+```
+ROOT_URL=http://192.168.0.100:4000 PORT=4000 WITH_API=true RICHER_CARD_COMMENT_EDITOR=false arch -x86_64 meteor --port 4000
+```
+
 ## Bundle
 
 1. Install XCode