Windows 10 21H1 (build 19043)
May 2021 Update ISO Download For Windows PC

Windows 10 May 2021 Update ISO (version 21H1 build 19043) x86/x64 OS files from Softlay.
Microsoft Corporation
May 18, 2021
4.3 GB
21H1 (build 19043)
Win10 Compatible PC
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Microsoft has officially released the latest Windows 10 May 2021 Update, also known as Windows 10 21H1, build number 19043. You can build the latest 21H1 OS ISO on your computer using Microsoft Update Assistant or the ISO files.

The ISO file offered by Softlay contains the Home and Professional Edition for both 32-bit and 64-bit systems. We provide a single-click direct link to Windows 10 21H1 ISO download. You can use this link to get the ISO file of the latest Windows 10 21H1 version to create a bootable USB and install it on your computer.

This is the untouched ISO downloaded with Microsoft’s official Media Creation Tool (MCT). The Windows 10 21H1 Update ISO is a standalone full version of Windows 10 OS.

Windows 10 All in One (AIO) ISO
Download Win10 All in One ISO (v.19043) for x86/x64 PC. Get new Win10 Version

Windows 10 21H1 May 2021 Update: Review

It is important to note that the May update 21H1 is not a major update release for Windows 10. It is, however, a continuation that follows the same path as the previous feature updates like 20H2, and 2004. Therefore, you can install the 21H1 as a minor update, mostly consisting of fine-tuning of the OS, bug fixing, and other minor tweaks.

Windows 10 21H1: Release Date & Update Size

Microsoft released Windows 10 21H1 Update on May 18, 2021. It should be above 4.14 GB. For English 32-bit edition, it is 4.14 GB. For English 64-bit edition, it is 5.82 GB.

Windows 10 21H1: New Features

This year’s earlier May 21H1 update includes minor enterprise features and bug fixes. These improvements from Microsoft help Windows 10 be more stable to use. The user experience and features are likely to be the same.

Here’s an overview of the new features of Windows 10 version 21H1:

  • New Windows Hello multi-camera feature.
  • News and interests widget for Windows 10 21H1 taskbar.
  • Windows Mixed Reality new feature to set the sleep timer for headsets.
  • Windows Defender Application Guard (WDAG) improvements.
  • Windows Management Instrumentation (WMI) Group Policy Service (GPSVC) improvements.
  • New Microsoft Edge (Chromium) support for kiosk mode on Windows 10 May 2021 Update.
  • WinHTTP Web Proxy Auto-Discovery Service improvements.
  • Updates the Open Mobile Alliance (OMA) Device Management (DM) sync protocol.
  • And more…

Should I Update to Windows 10 21H1?

You should get Windows 10 21H1 ISO. It is an optional feature update, that you can install if the computer has outdated drivers, poorly designed apps, or needs some minor improvements. Microsoft will only force this update on your PC or desktop once the version of Windows 10 you currently have reached the end of support date or its end of life.

How To Download Windows 10 21H2 ISO 32/64-bit Files From Softlay

The recommended way is to get official Win 10 ISO files via Microsoft’s own Windows 10 21H1 media creation tool. Microsoft has updated the MCT to Build 19043.

However, downloading through Windows Update doesn’t always work, causing issues and update errors. Furthermore, the Media Creation Tool’s download speed might be very slow. Likewise, you can not download Windows 10 ISO from MSDN without an active subscription.

Is It Safe To Update To Windows 10 21H1 Using ISO?

Windows 10 21H1 build 19043 is the new version from the May update that is stable and safe to install on devices running versions 2004, or 20H2.

How to Install Windows 10 Update From USB Drive

Microsoft has its free tools to create bootable DVD or USB flash drives from ISO files, which in turn can be used to install the updated Windows 10 directly to a new machine.

After you have downloaded the Windows 10 ISO file and saved it to your PC. You need to burn (copy) it on a USB flash drive. Follow the tutorial: How To Create Bootable Windows 10 USB Flash Drive if you want to install Windows 10 from a USB drive.

Note: Keep in mind that the download of Windows 10 is free but its activation is not. You must already own or buy a legit product key if you wish to activate it.

Windows 10 Latest Version 21H1 (build 19043) Update

Updated ISO to version 21H1 (build 19043)

Download Windows 10 Old Versions

Version Size Requirements Date
22H2 Update 3.2 - 4.4 GB Win10 Compatible PC 18/10/2022
1057 (build 10240) 2.7 - 3.7 GB Win10 Compatible PC 29/07/2015
1511 (build 10586) 2.4 - 3.1 GB Win10 Compatible PC 10/11/2015
1607 (build 14393) 3.2 - 4.1 GB Win10 Compatible PC 02/08/2016
19H2 (build 18363) 3.5 - 5.0 GB Win10 Compatible PC 12/11/2019
2004 (build 19041) 4.3 GB Win10 Compatible PC 27/05/2020
20H2 (build 19042) 4.3 GB Win10 Compatible PC 20/10/2020
21H2 (build 19044) 4.3 GB Win10 Compatible PC 16/11/2021
22H2 (Build 19045) 3.2 - 4.4 GB Win10 Compatible PC 18/10/2022