Using iMessage from your PC is now possible thanks to Microsoft’s Phone Link app
Click Here Microsoft provides access to iMessage on Windows through its Phone Link app.
Click Here With the update, the Phone Link app will enable iPhone users to make and receive calls, send and receive messages via iMessage
Click Here Microsoft connects Windows devices to iPhones via Bluetooth, sending instructions and messages to users’ Messages (iMessage) apps.
Click Here Some restrictions exist, but you can message contacts who own iPhones directly from your PC.
Click Here