I don't see how you will get a positive response lol.
Unless you worked for Maersk Group or got a computer from them then that shouldn't be happening.
You might need to clean install the OS if you have a bootable Windows 7 disc, separate partition for it, or usb stick. If not then try with Windows 10 since that's available (activation would need to be thought about). You need to backup your stuff to an external drive before doing that and then hope it goes better.