Windows NT 4.0 Patches

Windows NT 4.0 is the successor to the Windows NT 3.x release. In this release, the user interface from Windows 95 was integrated, making NT just as easy to use as its consumer counterpart. Internet Explorer was bundled, providing a web browser out of the box. Speed was improved by moving components into kernel-mode, at the expense of security and reliability - changes Windows is suffering from today, and is being reverted. NT 4 was followed up by Windows 2000.

Note: These service packs are freely redistributable, and are only provided here as a convenience.

Unless otherwise noted, archive-only downloads are for i386 CPU systems. Proper CD ISOs contain both i386 and DEC Alpha builds, as well as value-added applications.

Installation instructions

Service Pack 6a is the last Service Pack for NT 4 i386. Service Pack 2 is the last service pack for NT 4.0 PPC. All service packs are applicable to both NT 4.0 Workstation and Server.

There is no need to install previous service packs.

Product type
OS
Vendor
Microsoft
Release date
1996
User interface
GUI
Platform
Windows

Downloads

Download Name Version Language CPU File type File size
Windows NT 4.0 Service Pack 1 4.0 Service Pack 1 Upgrade English x86-32 Archive 1.64MB
Windows NT 4.0 Service Pack 2 4.0 Service Pack 2 Upgrade English x86-32 Archive 15.31MB
Windows NT 4.0 Service Pack 2 (OEM) (ISO) 4.0 Service Pack 2 Upgrade English x86-32,ppc,Alpha CD 210.99MB
Windows NT 4.0 Service Pack 3 4.0 Service Pack 3 Upgrade English x86-32 Archive 18.61MB
Windows NT 4.0 Service Pack 3 (OEM) (ISO) 4.0 Service Pack 3 Upgrade English x86-32,Alpha CD 178.45MB
Windows NT 4.0 Service Pack 4 4.0 Service Pack 4 Upgrade English x86-32 Archive 33.07MB
Windows NT 4.0 Service Pack 4 (128bit) (ISO) Service Pack 4 (128bit) Upgrade English x86-32,Alpha CD 449.01MB
Windows NT 4.0 Service Pack 4 (ISO) 4.0 Service Pack 4 Upgrade English x86-32,Alpha CD 450.59MB
Windows NT 4.0 Service Pack 5 4.0 Service Pack 5 Upgrade English x86-32 Archive 9.57MB
Windows NT 4.0 Service Pack 5 (OEM) (ISO) 4.0 Service Pack 5 Upgrade English x86-32,Alpha CD 335.24MB
Windows NT 4.0 Service Pack 6a 4.0 Service Pack 6a Upgrade English x86-32 Archive 36.06MB
Windows NT 4.0 Service Pack 6a (OEM) (ISO) 4.0 Service Pack 6a (OEM) Upgrade English x86-32,Alpha CD 373.12MB
Windows NT 4.0 Service Pack 6a [DEC Alpha] 4.0 Service Pack 6a Upgrade English Alpha Archive 47.07MB
Windows NT 4.0 Service Pack 6a [Dutch] 4.0 Service Pack 6a Upgrade Dutch x86-32 Archive 38.85MB
Windows NT 4.0 Service Pack 6a [Finnish] 4.0 Service Pack 6a Upgrade Finnish x86-32 Archive 38.65MB
Windows NT 4.0 Service Pack 6a [Finnish] (ISO) 4.0 Service Pack 6a Upgrade Finnish x86-32,Alpha CD 373.05MB
Windows NT 4.0 Service Pack 6a [Italian] 4.0 Service Pack 6a Upgrade Italian x86-32 Archive 38.83MB
Windows NT 4.0 Service Pack 6a [Portuguese Brazilian] 4.0 Service Pack 6a Upgrade Portuguese Brazilian x86-32 Archive 38.71MB
Windows NT 4.0 Service Pack 6a [Spannish] 4.0 Service Pack 6a Upgrade Spannish x86-32 Archive 38.71MB
Windows NT 4.0 USB Support Patch 4.0 USB Support Patch Upgrade English x86-32 Archive 4.94MB

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