Updated 4/9/15: This article is out of date; for the latest information with active links, here’s how to download and install the latest version of Windows 8.1 Update for free. Or go here to find out how to download Windows 10 Technical Preview.
The original story from October 21, 2013 follows below.
Apr 09, 2015 How to install Windows 8.1 for free. Once you have the Windows 8.1 ISO on your hard drive, the installation process is painless. Before you begin, you should consider backing up your important files and documents, but it’s not really necessary. You should also ensure that you have plenty of free hard drive space (20GB+). To continue, you must first add this website to your trusted sites in Internet Explorer. The site cannot determine which updates apply to your computer or display those updates unless you change your security settings to allow ActiveX controls and active scripting.
- KB2919442 is a prerequisite for Windows 8.1 Update and should be installed before attempting to install KB2919355 Additional Information Other critical security updates are available: To find the latest security updates for you, visit Windows Update and click Express Install.
- Sep 22, 2019 I followed the steps and found the x64 bit update on the Microsoft page, pressed download and now it is stuck on the stand alone installer searching for updates for this computer. Can anyone help? Thanks In Advance.
- Keeping Windows 8 up to date can protect you from security vulnerabilities. Auto updates are enabled by default, but you can do a manual update too.
Windows 8.1 has been released. If you’re using Windows 8, upgrading to Windows 8.1 is both easy and free. If you’re using another operating system (Windows 7, Windows XP, OS X), you can either buy a boxed version ($120 for normal, $200 for Windows 8.1 Pro), or opt for one of the free methods listed below. To download and install Windows 8.1 for free, follow the guide below.
How to download Windows 8.1 for free
If you don’t want to wait for October 17 or 18, there are two options for downloading Windows 8.1: You can obtain a copy (and a license key) from a friend/colleague with an MSDN, TechNet, or DreamSpark (student) subscription, or you can download a Windows 8.1 RTM ISO from your favorite file-sharing website (The Pirate Bay, Mega, etc.)
While we’re not going to write a guide on how to obtain Windows 8.1 RTM from non-official sources, we will at least tell you to check the SHA-1 hash of the ISO that you download to make sure that it’s legitimate. If you hit up the MSDN Subscriber Downloads page, and then click Details under the version that you’ve obtained from elsewhere, you’ll find the SHA-1 hash. If you then use File Checksum Integrity Verifier (FCIV) on the ISO, the hash should match. If it doesn’t, assume the ISO has been compromised and download another. (But do make sure that you’re checking the right SHA-1 hash on the MSDN website; your ISO might be mislabeled).
Windows 8 Update Free Download
Windows 8 Update Standalone Installer
The other easier, and completely legal, option is to download the Windows 8.1 Preview from Microsoft. It’s not as snappy as the final (RTM/GA) build, though, and has quite a few bugs/missing features. Bear in mind that if you go down this road, upgrading to a real version of Windows 8.1 will require a few more steps (discussed in the next section).
How to install Windows 8.1 for free
Once you have the Windows 8.1 ISO on your hard drive, the installation process is painless. Before you begin, you should consider backing up your important files and documents, but it’s not really necessary. You should also ensure that you have plenty of free hard drive space (20GB+).
If you’re already running Windows 8 and you downloaded the RTM ISO from somewhere other than the Windows Store, you can install Windows 8.1 by mounting the downloaded ISO in Explorer by double-clicking it, and then running the installer. If you’re on Windows 7, XP, or (bless your soul) Vista, you’ll need to burn the ISO to a USB thumb drive or DVD, or mount the ISO using a third-party virtual drive tool, like Magic ISO.
Windows 8 Not Installing Updates
If you already have Windows 8, and you waited for the official release date, installing Windows 8.1 is as simple as visiting the Windows Store and downloading the free update.
In both these cases, the upgrade process should be very smooth, with your apps and settings fully preserved. If you upgrade from Windows 8.1 Preview, however, you will lose your installed apps, unless you first run a cversion.ini removal utility.
Once you’ve installed Windows 8.1, you should check out our extensive collection of Windows 8.1 tips and tricks, and be sure to check our Windows 8.1 review and hands-on impressions to ensure that you’re making the most of all the new features.
Windows 8 Install Updates
Sebastian Anthony wrote the original version of this article. It has since been updated with new information.
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