License Management
Check your license, move it to a new Mac, or get your key sent again.
Check License
Transfer to New Machine
Deactivates M13 on your current machine so you can enter the same key on a new one. Your license stays valid — you're just moving it.
Lost Your Key?
Enter the email address you bought M13 with and we'll send your license key to it.
Need help? Email m13@mcorpus.com and include your license key.
Lost your key? Use Lost Your Key? above, or check your Gumroad receipt.
Lost your key? Use Lost Your Key? above, or check your Gumroad receipt.