c:\OldOs\Downloads\OSUpdates\ 
  • Patches to make NT 3 work on modern systems
  • OS Update

This file contains the updates for NT 3.1/3.5 to make them work on computers normally too modern for these operating systems. To install, select your OS and copy the relevant files to the directory with all the other installation files overwriting the two files already there. Then just install like you normally would, and it should work fine.

  • Patches To Make USB Work on Windows NT 4.0
  • OS Update

This file, provided by Dell, is supposed to make USB work on Windows NT 4 systems. According to another forum, it worked, but since USB support in Windows NT 4 is not official, this should be treated with some caution. OldOs.org cannot be responsible for any damage done to your computer/data as a result of using this file.

  • Windows 2000 Service Packs
  • OS Update

Service packs for Windows 2000. Note: Service Packs are cumulative, so you only need to install the last one to have all the updates.

  • Windows 95 DUN 1.4 upgrade
  • OS Update

The Dial-Up Networking 1.4 Upgrade (DUN 1.4) provides additional features for the Dial-Up Networking components that were first introduced in Windows 95. The 1.4 release includes all of the features of all previous DUN releases, as well as those included in the ISDN 1.1 release. DUN 1.4 features include PPTP client support, 128-bit encryption, support for internal ISDN adapters, multilink support, and connection-time scripting to automate non-standard login connections. The DUN 1.4 upgrade can be applied to any version of Windows 95. It will not install on any other version of Windows, such as Windows 98.

  • Versions for download:
  • 1.4
  • Windows 95 Service Pack 1
  • OS Update

The Microsoft Windows 95 Service Pack 1 includes an update, system administration tools, additional components, and drivers for Windows 95. More detailed information about each of the fixes is included in the Service Pack Fixes document. After installing the update, your system properties will report version 4.00.950a.

  • Versions for download:
  • SP1
  • Windows 95 Winsock 2 Update
  • OS Update

This is the Windows Socket 2 Update for Windows® 95. This update resolves a number of Winsock2 issues, as well as some TCP/IP stack issues. Read the release notes for a detailed list of all changes.

  • Windows NT 3.1 Service Packs
  • OS Update

Service packs for Windows NT 3.1. Note: Service Packs are cumulative, so you only need to install the last one to have all the updates.

  • Versions for download:
  • SP3
  • Windows NT 3.5 Service Packs
  • OS Update

Service packs for Windows NT 3.5. Note: Service Packs are cumulative, so you only need to install the last one to have all the updates.

  • Versions for download:
  • SP3
  • Windows NT 3.51 Service Packs
  • OS Update

Service packs for Windows NT 3.51, as well as all post-SP5 hotfixes. Be careful when using these as they have not been tested as thoroughly as service packs. Note: Service Packs are cumulative, so you only need to install the last one to have all the updates.

  • Windows NT 4.0 Service Packs
  • OS Update

Service packs for Windows NT 4.0. Note: Service Packs are cumulative, so you only need to install the last one to have all the updates.

  • Versions for download:
  • SP2 | SP3
  • Windows XP Service Packs
  • OS Update

Service packs for Windows XP. Note: Service Packs are cumulative, so you only need to install the last one to have all the updates.

  • Versions for download:
  • SP1a