Answer:
What You'll Need
• A Windows 7 ISO or DVD
• Access to a computer with Windows 7, 8, 10, Vista, or XP installed and working properly, as well as with a DVD drive if you have a Windows 7 DVD
• A 4 GB (or larger) flash drive
1.) Create an ISO file from the Windows 7 DVD.
2.) Download Microsoft's Windows 7 USB/DVD Download Tool.
3.) Start the Windows 7 USB DVD Download Tool program, which is probably located in your Start menu or on your Start screen, as well as on your Desktop.
4.) On the Step 1 of 4: Choose ISO file screen, click Browse.
5.) Locate and select your Windows 7 ISO file, and then click Open.
6.) Click Next once you're back on the Step 1 of 4 screen.
7.) Click USB device on the Step 2 of 4: Choose media type screen.
8.) On the Step 3 of 4: Insert USB device screen, choose the flash drive or external hard drive you want to put the Windows 7 installation files on.
9.) Click the Begin copying button.
10.) Click Erase USB Device if you're prompted to do so on a Not Enough Free Space window. Then click Yes to the confirmation in the next window.
11.) On Step 4 of 4: Creating bootable USB device, wait for the program to format the USB drive and then copy the Windows 7 installation files to it from the ISO image you provided.
12.) The next screen you see should say Bootable USB device created successfully, with a Status of Backup completed.
13.) Boot from the USB device to start the Windows 7 setup process.
14.) You should have now installed Windows 7 by USB.
aral po mabuti ! ^_^
