Windows 10 was launched in July of 2015. Since then, Microsoft has released eight major revisions (1511, 1607, 1703, 1709, 1803, 1809, 1903, 1909). Each revision includes significant enhancements making Windows 10 easier to use and more secure.
Microsoft delivers new versions through multiple channels which includes: Windows Upgrade Assistant, Media Creation Tool and of course Windows Update. Depending on the method you choose to install Windows 10, here is how you can verify if you have latest version downloaded or installed.
Update: Starting with the Windows 10 Creators Update, Microsoft now deliver revisions of Windows 10 in predictable phases; March and September of each year. This will help customers, particularly businesses, plan their deployments smoothly. Learn more about these changes:
Before we start, please be sure to check out the following article:
For users who already have Windows 10 installed, you can verify if you have build 1507, November Update (1511); Anniversary Update (14393); Creators Update (1703); Fall Creators Update (1709) or Spring Creators Update (1803), 1809, 1903 and 1909 installed by doing the following:
Press Windows key + R on your keyboard
Where it says 1511, 1607 or 1703 will indicate the version you have installed. The first two numbers represent the year, followed by the month:
15 – 2015, 11 – November,
16 – 2016, 07 – July,
17 – 2017, 03 – March.
17 – 2017, 09 – September
18 – 2018, 03 – March
18 – 2018, 09 – September
19 – 2019, 03 – March
19 – 2019, 09 – September
You will also notice the build number has increased. Please note where it says .1 will change depending on when you installed your particular Feature Update and when it was updated. For example, if you run Windows Update as of this writing it will display .1. The Windows 10 Spring Creators Update is currently at 17134.1 as of this writing.
Another way you can check is by launching Start > Settings > Systems > About
Download – Media Creation Tool (MCT) website
If you chose to download Windows 10 November Update as a .ISO file and perform a repair upgrade or new install, you can verify the .ISO file using the following method. When you download the .ISO file, it is saved simply as Windows.iso
If you are running Windows 8 or later, double click the .ISO file to mount it.
Browse the mounted ISO file
Right click Setup.exe
Click the Details tab then look at the Product Version.
If you are running Windows 8 or earlier, create a bootable copy then follow the structions above.