I am one of them who upgraded from Windows 7 to Windows 10 thus not very familiar with Windows 8, 8.1 and Windows 10. I know lot's of Windows 8 features are in Windows 10 but I haven't tried it because of many reasons. This blog post is about renaming This PC to My Computer just like Windows 7.
How to Rename This PC to My Computer in Windows 10
Microsoft have changed My Computer to Computer and then This PC, to show little changes done in Windows. Actually you can rename your This PC back to My Computer. It is actually very simple, just right click on This PC and choose rename option and then you can rename This PC as you want and I prefer it to be My Computer.