diff --git a/Google-public-CA.md b/Google-public-CA.md
index 42880e3..acc4ace 100644
--- a/Google-public-CA.md
+++ b/Google-public-CA.md
@@ -2,3 +2,32 @@ Google just announced its free ACME server:
 
 https://cloud.google.com/blog/products/identity-security/automate-public-certificate-lifecycle-management-via--acme-client-api
 
+
+It supports multiple domains and wildcard domains.
+
+
+1. As it's still in beta preview version, you must sign up the Request access form here first:
+
+https://docs.google.com/forms/d/e/1FAIpQLSd8zUIww_ztyT9a56OPq9NXISiyw6Y9g8S7LBtRQjxPhsHz5A/viewform?ts=620a6854
+
+2. You will get email notificateion in a few hours if your request is accepted. Then follow this guide to create your EAB key and EAB id:
+
+https://cloud.google.com/public-certificate-authority/docs/quickstart
+
+
+3. OK, Done.  You can register an ACME and issue certs now:
+
+```
+acme.sh  --register-account  -m  myemail@example.com --server google
+
+
+acme.sh --issue  --server google \
+     -d example.com  --dns dns_cf
+    
+```
+
+
+
+
+
+