Hello Harshit,
I'm John an Independent Advisor and a Microsoft user like you. I want to apologize if you encountered this issue. I understand you have a problem with slow boot up. When was the last time your computer was working properly?
Run the System File Checker tool (SFC.exe)
Press WIN+R to open Run then type: cmd
Press CTRL+SHIFT+ENTER to Run as administrator
At the command prompt, type the following command, and then press ENTER:
sfc /scannow
Restore and repair system files
Press WIN+R to open Run then type: cmd
Press CTRL+SHIFT+ENTER to Run as administrator
Type:
dism.exe /online /cleanup-image /scanhealth
dism.exe /online /cleanup-image /restorehealth
dism.exe /online /cleanup-image /startcomponentcleanup
Tips to improve PC performance in Windows 10
https://support.microsoft.com/en-ph/help/400201...
If it doesn't work, Please consider to go back to the previous version of Windows
Press Start then search Recovery Options
Under Go back to the previous version of Windows
Click "Get Started"
Important: Back up your personal data and files to an external hard drive, USB thumb drive, or cloud location (such as OneDrive) before you begin any reinstall of Windows 10 just in case something went wrong.
I hope this helps! Please let me know if you have any further concerns.
Sincerely
John DeV
Independent Advisor