[OFFER] A lot of SDKs DDK from MS (Win3.1, 95, ...)
I just have uploaded these, here they are:
Windows 95 DDK:
https://archive.org/details/x03-63160_041998_Windows95_DDK.iso.7z
https://archive.org/details/x03-71573_0798_Windows95_DDK_Includes_Documentation_Updates.iso.7z
Additional SDKs and Tools: https://archive.org/details/x03-75520_0798_Additional_SDKs_and_Tools_US.iso.7z
Platform SDK: https://archive.org/details/x05-74598_0600_Platform_SDK_April2000_Edition.iso.7z
NT3.51 DDK Japanese: https://archive.org/details/93237101996Win32SDKForWinNT351Japanese.iso.7z
NT4 WS DDK: https://archive.org/details/94396011997WindowsNTDDKForWinNT4.0WorkstationUS.iso.7z
Win3.1 + 95 DDKs: https://archive.org/details/99496101997DDKs.iso.7z