If you cannot activate Microsoft 365 on a shared computer, you can use the Microsoft 365 Shared Computer Activation (SCA) Troubleshooter to fix the issue on a Windows 11/10 PC. It uses the Get Help ...
KMS settings stored in the registry can cause Office to default to attempting KMS activation, even if you intend to use a MAK (Multiple Activation Key). We need to check for KMS Traces in Office ...