how to download directx old version ?

what do you mean old ? old mean directx 7, 8, 9

or directx 9, ver 9.0a, 9.0b, 9.0c ....

yes

yes

Which one?

DirectX 1,2,3 SDKs:

http://craig.theeislers.com/2006/03/directx_then_and_now_part_2.php

DirectX 8 SDK:

http://www.darwinbots.com/numsgil/dx81sdk_full.exe

DirectX 9.0c SDK (June 2010)

http://directx-sdk.soft32.com/

(Ahhaha, yeah...)

btw, where can I get DirectX 4-6 SDKs (just curious) ?

thx