diff --git a/FAQ.md b/FAQ.md
index 6259c89..1334f93 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -743,3 +743,6 @@ https://rustdesk.com/docs/en/self-host/rustdesk-server-pro/faq/#9-log-in-to-your
 # Custom2 license has limited connections, but custom license has unlimited
 
 Though custom license has unlimited connections, but it has limited devices, excessive devices will be disabled. Though custom2 has limited connections, but excessive devices won't be disabled, though they can not be assigned to users and no permission control, they can still be accessible, this is ok for casual/one-time/quick support scenario.
+
+# Migrate license to another machine
+The license can not be used on one machine, but you can migrate it to another one if current machine down, https://rustdesk.com/docs/en/self-host/rustdesk-server-pro/license/#invoices-license-retrieval-and-migration