Hi Uday,
Thank you for your interest in Windows 10 Technical preview.
Have you tried rebooting the computer?
Do you see any Water mark on the Build towards the right bottom of the screen?
Firstly, I suggest you to reboot the computer and check.
I suggest you to check the Windows Edition under System Properties. Refer to the steps below:
Press Windows key +X.
Click on System.
Check the Windows Edition.
Please do let us know if you need further assistance, we’ll be glad to assist you.