License issues

I active my license a year ago. but my license doesn't in my product list.
When I change my Mac a week ago. It deactivate.
Please help me get back my license key.
It is desktop 13.

 

Hello,
Do you have any purchase order or email address that you used for the Parallels Desktop registration?

 

I still have llicense key. but it doesn't work.

 

Please share your license key with us via the private message.

 

Other question : How to download Parallels Desktop 13 toolbox. auto install process always saying lost connection .

 

Could you please provide us with the screenshot of the issue?

 

I find downlink at forum. it work fine. Thanks your help.

 

@randolph.chou Good to know that the issue is resolved.