There is no option to copy it to clipboard, but you can Save all the info in a text file (.txt). The serial number you're interested in is the Installed Key.
ShowKeyPlus auto-identifies the Windows product name, ID and installed key, along with the OEM key and edition, showing these details in the window at startup. They all work for Windows 10, 8/8.1 and 7, and we've opted for the no-install editions to make the entire process as straightforward as possible for you. We're taking a look at three popular freeware applications dedicated to this task: ShowKeyPlus, Magical Jelly Bean Keyfinder and ProduKey. You can thus either spend a lot of time looking for a solution online to create complicated scripts, write long codes in PowerShell and risk causing Windows stability issues by playing with the wrong settings or take the quicker and safer route by downloading a free utility that auto-recovers the Windows product key and hands it over to you on a silver platter. If you lost this key and didn't make a backup or write it down on a piece of paper, you can take the geeky way or the easy way. Windows cannot be installed without its original serial code, a unique alphanumerical value assigned to each person who purchased a genuine copy of the operating system, which is written on a label inside the Windows box or attached to the PC unit.
