Click and confirm that you understand all existing data on the USB drive will be permanently erased. Method B: Burning to a Physical DVD
Type your genuine 25-character product registration serial number into the authorization prompt. Keep in mind that a standard Windows 8 product key will generally activate a corresponding Windows 8.1 edition. Step 4: Perform a Clean Installation
On the Microsoft software download page, click the button. download windows 8.1 disc image -iso file- - microsoft
16 GB for 32-bit OS or 20 GB for 64-bit OS.
Many users report that Microsoft’s website no longer accepts generic keys for Windows 8.1. If you receive the error "The product key you entered appears to be for software that was pre-installed by the device manufacturer," use the (unofficially hosted, but verified via Microsoft servers). Click and confirm that you understand all existing
Insert your USB drive and click Begin copying . Using a DVD Right-click the ISO file in your folder. Select Burn disc image . Insert a blank DVD and click Burn . 4. How to Install Windows 8.1 from the ISO
Enter your valid, legal 25-character Windows 8.1 product key. Note that if you are reinstalling on a machine that shipped with Windows 8 or 8.1, this key is often embedded in the motherboard firmware and will activate automatically. Step 4: Perform a Clean Installation On the
A common misconception is that downloading the ISO grants a free operating system license. The download itself is free, but for permanent activation. Finding Your Existing Key
Aesthetically, the Windows 8.1 ISO delivers an experience that feels futuristic in a "retro-future" way. The "flat design" trend started here (and with Windows 8), stripping away the glass and transparency of Windows Vista and 7.
Using a USB flash drive offers faster installation speeds compared to traditional optical media. You will need a blank USB drive with at least 8 GB of storage space.