In this article I have described how easily you can install any Windows Os such as windows 7 on your PC through a Pen drive.Several PC users roams here and there for Windows Live CD to install a newer or older Windows version on their PC.But if your CD writer is not working or is damaged then you have only one option left there that is to install a Windows OS through a USB drive(usually a pen drive).A Pen Drive is easy and fast method to install Windows OS on your PC as compared to a Live CD/DVD.For example you can use pen drive later after formatting it but if a CD/DVD is not R/W then you cannot reuse it.here I am describing How easily you can make a bootable Pen drive and thus you can install Windows on it.
Follow Below Instructions:
1. First of all you should have Windows OS (xp,7,8,8.1)setup in .iso format.If not ,then you can download a Windows version such as Windows 7,8,8.1 in .iso format free from the internet.Try Google for searching and downloading it.Use a High speed internet connection like Wi-Fi or Broadband for downloading a Windows iso setup File.
2. After you have successfully downloaded your Windows iso.Now, you have to Download and install Power iso on your PC.It is a software which will help you in making your Pen drive Bootable.Download it from the official website : www.poweriso.com .After downloading install it on your PC.
3. Launch Power iso just like an another windows software’s.You might see three options : just click on continue unregistered.Now,Connect your Pen drive with PC.You must use a pen drive having at least 4 GB in capacity.
4. From the top menu Click on Tools and go down to the options ,then click on create a Bootable USB Drive.You may see the screenshot below(click on image for enlarging it).
5. It will prompt you for Administrator permission ,click OK and then yes for using it as a Administrator of your PC.Again click on continue unregistered option.
6. In the Source image file option browse your PC hard disks/download locations for windows .iso File you have just downloaded from the internet.
7. Be sure that your pen drive letter must match with the Destination drive option.If not change it to your Pen drive.Write method should be USB-HDD.
8. Now click on start button.It will prompt you for formatting your pen drive.If your pen drive has some Data in it then move it to your PC Hard disk.Click on yes for formatting it(it is necessary).Now you can see the progress i.e. windows will now be installed on your Pen Drive.Wait for its completion.
9. After completion you can see whether your Pen Drive is Bootable or not i.e. you will find your pen drive letters and icons are changed .
10. Restart your PC and go into startup menu: Several PCs/Laptops has different keyboard button for the startup menu.On Startup of your PC try press F2 or F6 or F10 or F12 for entering into startup menu.
11. From the available options on startup go the the boot option and then to the Change boot or set boot priority option.Now select & move up USB HDD(that is your pen drive) to the 1st place.You can follow instructions provided there for moving up and down.Generally,press arrow keys for seleting your USB drive and for moving up and down use F5 or F6.After placing your Pen drive to 1st boot priority click on save and exit option(Generally F10 for most of the PCs).
ANOTHER METHOD:
1- Download Microsoft USB/DVD Bootable Tool.
2- Click on the browse button and select your windows 7,8 iso file.
3- Click the next button and select your usb device.
4- Click on the begin copy.
5- After The Copy Completed click on the start over button and safely remove your usb device
