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.



Release notes

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
Download count
355 (49 for release)

Downloads

Download name Version Language Architecture File size Downloads
Windows NT 4.0 Service Pack 1 4.0 Service Pack 1 Upgrade English 1.64MB 4
Windows NT 4.0 Service Pack 2 4.0 Service Pack 2 Upgrade English 15.31MB 2
Windows NT 4.0 Service Pack 2 (OEM) (ISO) 4.0 Service Pack 2 Upgrade English 210.99MB 0
Windows NT 4.0 Service Pack 3 4.0 Service Pack 3 Upgrade English 18.61MB 7
Windows NT 4.0 Service Pack 3 (OEM) (ISO) 4.0 Service Pack 3 Upgrade English 178.45MB 1
Windows NT 4.0 Service Pack 4 4.0 Service Pack 4 Upgrade English 33.07MB 3
Windows NT 4.0 Service Pack 4 (128bit) (ISO) Service Pack 4 (128bit) Upgrade English 449.01MB 2
Windows NT 4.0 Service Pack 4 (ISO) 4.0 Service Pack 4 Upgrade English 450.59MB 1
Windows NT 4.0 Service Pack 5 4.0 Service Pack 5 Upgrade English 9.57MB 1
Windows NT 4.0 Service Pack 5 (OEM) (ISO) 4.0 Service Pack 5 Upgrade English 335.24MB 1
Windows NT 4.0 Service Pack 6a 4.0 Service Pack 6a Upgrade English 36.06MB 10
Windows NT 4.0 Service Pack 6a (OEM) (ISO) 4.0 Service Pack 6a (OEM) Upgrade English 373.12MB 9
Windows NT 4.0 Service Pack 6a [DEC Alpha] 4.0 Service Pack 6a Upgrade English 47.07MB 2
Windows NT 4.0 Service Pack 6a [Dutch] 4.0 Service Pack 6a Upgrade Dutch 38.85MB 1
Windows NT 4.0 Service Pack 6a [Finnish] 4.0 Service Pack 6a Upgrade Finnish 38.65MB 0
Windows NT 4.0 Service Pack 6a [Finnish] (ISO) 4.0 Service Pack 6a Upgrade Finnish 373.05MB 0
Windows NT 4.0 Service Pack 6a [Italian] 4.0 Service Pack 6a Upgrade Italian 38.83MB 0
Windows NT 4.0 Service Pack 6a [Portuguese Brazilian] 4.0 Service Pack 6a Upgrade Portuguese Brazilian 38.71MB 0
Windows NT 4.0 Service Pack 6a [Spannish] 4.0 Service Pack 6a Upgrade Spannish 38.71MB 0
Windows NT 4.0 USB Support Patch 4.0 USB Support Patch Upgrade English 4.94MB 5

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