Change Processor Name without any third party software

There are some apps that allow you to change processor name from PC properties window. We can change the name of the processor without any third party software, simply using the registry editor. 

Create own Run command in Windows

1) Open notepad and paste text given below into notepad.

Windows Registry Editor Version 5.00 
[HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0]
"ProcessorNameString"="Intel Core i7-2600K 3.4GHz"

Change Intel Core i7-2600K 3.4GHz to whatever you want.
2) Now save the file as processor.reg ( keep .reg format for the file ).
3) Now open registry file, in pop out warn window press on the Yes button then press OK button.
4) You can check the result just by going to Computer Properties from Control Panel. To keep this changes after computer restart, we need to complete some steps.

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5) Create a new shortcut on the desktop, and paste regedit / S "Location of the .reg file" line.
For example: regedit /S "C:\Program Files\Processor.reg".
6) Now move shortcut file into C:\Users\UserName\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup location. Don't forget to change "UserName" with your user name.

Now you can restart your computer.