(Version 1803, codenamed Redstone 4 ) was one of the most beloved updates in Windows 10 history, introducing the Timeline feature, Focus Assist , and significant improvements to Edge and the Game Bar . However, as of November 2019 , Microsoft officially ended support for Windows 10 version 1803. This means no more security patches or bug fixes from Microsoft.
| Verification Method | What to Check | |---------------------|----------------| | | Official en-us Windows 10 1803 (x64) = ~4.2 GB. Anything under 2 GB is a fake. | | SHA-1 Checksum | Legitimate 1803 ISOs have known hashes. Example: x64 SHA-1: D67977BADD9C3B66E7AE876AB20C8342D839136F (use Get-FileHash in PowerShell). | | Digital Signature | Right-click ISO → Properties → Digital Signatures tab. Must show "Microsoft Windows" as signer. | | No Setup Modifications | A clean ISO contains only setup.exe , sources/ folder, boot/ , efi/ . No extra crack.exe or readme.txt . |
Get-FileHash -Path "C:\Downloads\1803.iso" -Algorithm SHA1