# software
Office for Mac Installation and Activation Guide: Microsoft 365 and Office LTSC 2021
A practical Office for Mac guide covering official installation, legitimate activation for Microsoft 365 and Office LTSC 2021, license cleanup, and common troubleshooting steps. This article only uses official Microsoft download and licensing paths.
"VMware Workstation Unrecoverable Error: (vcpu-1)" Troubleshooting for Vmware Workstation16
After installing VMware, when starting the macOS virtual machine, I encountered `vcpu-0` and `vcpu-1` errors.