Even with a valid licence, activation can sometimes fail. Below are the most common issues and how to fix them.
Open Excel (or Outlook/Word), navigate to File > Account > About Excel , and check whether your installation is 32-bit or 64-bit . kutools licence name and code
This usually happens if you reinstalled Windows, changed your hardware (motherboard/CPU), or updated Excel to a new major version. Deactivate the licence from your old installation (if possible) and reactivate. If not, contact support. Even with a valid licence, activation can sometimes fail
Kutools uses a two-part credential system to activate its software and remove the 30-day trial limitations: Even with a valid licence