if i update my window through Media Tool i loose my warranty or genuine Window ???
@IbtiArshad,
No, if your machine meets all the requirements for windows 11 you will be fine.
Run PC Health Check to verify.
How old is your machine ?
It's 1 year old machine HP Core I3 11 Gen
Download the PC Health Check from the link below and check the results, you should be fine.
Windows Insider Preview PC Health Check Application (microsoft.com)