How to Make Bootable USB Windows 7

If your Computer don't have a CD or DVD drive, or optical Disc does not work, then you can install Windows from Windows Bootable USB.
All you need is a USB flash drive of at least 4 GB for Windows 7 and 8 GB for Windows 8 or Windows 10. You also need any windows ISO file.
If you already know how to create ISO file, fantastic ! do it and then come back here for further instructions on what to do with it. If you've never created an ISO file from a disc before you can see this video.

How To Create Windows 7 ISO From Windows CD /DVD
https://www.youtube.com/watch?v=d5MoJr3R1JY

Now again talk about Bootable USB Windows 7 ISO

Step-1: Insert your USB Drive in your computer. If your USB or Pendrive no have enough place you need formet it. After you formet your usb you are now ready for to make iso to USB Bootable.

Step-2: Now you need open poweriso software. After open you need go in PowerISO Tools -- Create Bootable USB Drive. Then Destination USB Drive automatic show your pen drive to make bootable usb software.
Select Source File and Compact Disc "Image File" you need to show your desired iso file.

Then the desired USB drive from the "Destination USB Drive" list if you used multiple USB drives to your computer.

Then Click the "Start" button to start creating Bootable USB drive.

Power ISO will alert you that all data on USB drive will be destroyed. Click "OK" to continue.
To completed full process need to time more than 15 minutes.

The program will start writing USB drive, and showing the progress information. You should get the message "Writing USB drive completed successfully." after the operation completes.

Видео How to Make Bootable USB Windows 7 канала IT Tech Bangla