There are several ways to install Windows 8 build 7850, by writing the image file to a DVD or from a USB Flash Drive. Here are the steps from both methods:
First check System Requirements
- 4GB removable USB flash drive
- A Windows 8 ISO file Windows XP SP2, Windows Vista, or Windows 7 (32-bit or 64-bit)
- Bootable USB Flash Drive Method
Step 1: Type diskpart at the Start menu search box.
Step 2: Run the list disk command to check status of your drive.
Step 3: Select disk 1, “1” is the corresponding number of your USB drive.
Step 4: Run clean.
Step 5: Run create partition primary once the drive is clean
Step 6: Enter active to make the partition active
Step 7: Run format fs=NTFS quick command to format the USB drive
Step 8: Run assign command to give a drive letter to the USB drive
Step 9: Extract the Windows 8 ISO
Step 10: Copy contents of the file from extracted ISO file to USB flash drive
Windows 7 USB/DVD download tool Method
Step 1: Download and install Windows 7 USB/DVD download tool from here.
Step 2: Run the tool and type the name and path of your Windows 8 iso file in the SOURCE FILE box, or just BROWSE and SELECT the file from the OPEN dialog box. Click NEXT.