Instructions to install the Windows 10 May 2021Update, version 21H1, using the Update Assistant tool. On "May 18, 2021," the Update Assistant tool is available for any version of Windows 10 without the need to use Windows Update. More details ➤ https://pureinfotech.com/windows-10-21h1-download-update-assistant-tool/ Table of contents: 00:00 Intro 00:27 Download 21H1 Update Assistant 00:40 Install Windows 10 21H1 with Update Assistant 03:52 Confirm installation