For installation win7 using USB Flash Drive

REQUREMENTS  : -

8 GB USB Flash drive ,  Windows 7  /   Windows 8/8.1   /  Windows 10   .ISO File 

First of all you are required to make bootable USB drive { follow my step to make bootable USB drive}

• You are need ISO (windows 7 file) , Rufus software

Download Rufus Software and Windows 7 from here:-
https://rufus.akeo.ie/
http://webforpc.com/software/operating-systems/windows-7-ultimate-download-iso-32-64-bit-free/

• you are insert your usb drive to your system.
• open the Rufus the auto detected your usb drive.
• than you are required iso file win7.
• open Rufus than you see you pendrive name in device block..........

• than you click the cd / dvd icon 
• select the windows 7 iso file 
• finally you click the start button
• than the processing after complete the booting process the start button replace done button click and exit.
• you are now successfully done. 

you are able to ready format or installation win7

•  you are insert your bootable usb drive to your system
• open your system press F9 or F2 or F12 or F11 etc. in the boot time for "boot menu" or at the time the first image to come.
•  now to see the different different boot media select your pen drive or flash drive.
• press enter. in front of you prompting "press any key............" you must press any key in before 3 sec.
• setup is starting and follow this steps.
• next.
• next.
• custom.
• agree and press enter.
• select drive where you want to store the OS press enter and tap yes.
• begin the installation.
• just wait for done.
• after this you are select user name and password press next   .
• select your time zone.
• windows update option in front of you you choose do u want. ok
•  you are successfully done the installation .

#############Thanks