diff --git a/docs/local_deployment.md b/docs/local_deployment.md
index a42a578..ef65a5a 100644
--- a/docs/local_deployment.md
+++ b/docs/local_deployment.md
@@ -48,6 +48,25 @@ Login: [http://localhost:9000](http://localhost:9000)
 ![deploy-02](/assets/images/private_deploy/deploy-02.png)
 
 
+## How to get a Free License?
+After the installation, a licence is required. For now, we provide free license to Local Environment.
+![license_1](/assets/images/license_1.png)
+
+### Get License
+1、You can get License in PromptAI accounts. The first step is register you PromptAI account:
+
+Register a PromptAI account:[https://app.promptai.us/](https://app.promptai.us/)
+
+2、After login to PromptAI, click your avatar and then click "License"：
+
+![license_2.png](/assets/images/license_2.png)
+
+3、Click the "Create" button you will get a free "Starter" license
+![license_3.png](/assets/images/license_3.png)
+
+4、Paste your License to Local Env
+![license_4.png](/assets/images/license_4.png)
+
 ## How to get a Professional License?
 
 Professional licenses are coming soon, please contact us if you need one.