Offline support 
When offline, you can use it in the following ways
Trial 
Click the Apply button 
A trial window pops up
 ① Scan the code to get the trial code, and then click Copy
 ② Copy the copied license to the license input box and click Activate
Upgrade 
Click on the Pro Unlock button 
A Pro upgrade pop-up pop-up will pop up
 ① Scan the payment code and complete the payment
 ② Enter the obtained license into the input box to activate it.
When the activation is complete, check the Pro status to determine whether the activation is successful

