It's possible, by copying the files from the INSTALL folder on the CD to a new folder you make, and then using the 3.03 beta-patch to get it running. That way you'll be missing some registry stuff though.
The patch can be found
here. There's some more fixes there too, and my popular "small infantry mod" (which resizes the ugly stretched infantry to their normal size) can be found
here
You'll have to remove RA95.LCF and replace it by the included _RA95.LCF before you can run the game though. That file is a textfile that determines what to launch, and the original one launches some patch-related stuff to install the internet components (which won't work without the registry stuff)
I'm not sure how much the registry stuff matters for the rest though, unless you want to install the expansion packs. Then you need 2 registry entries for the game, and tbh, I have no idea what the 64-bit equivalent for HKLM\Software\ is in 64-bit systems. The keys on my 32-bit XP are
Code:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Westwood\Red Alert Windows 95 Edition]
"InstallPath"="E:\\westwood\\Redalert\\RA95.exe"
"Name"="Red Alert Windows 95 Edition"
"SKU"=dword:000003ed
"Version"=dword:00007533
"AftermathInstalled"=dword:00000001
"CStrikeInstalled"=dword:00000001
InstallPath should of course be changed to wherever you put your RA. Note that the double backslashes are only in the .reg dumps; the actual registry has the path stored as "E:\westwood\Redalert\RA95.exe"
These last 2 are for enabling the expansion packs. These isos can be found on the internet too... I know I personally uploaded them for
CnCWorld.
On RA v3.03, the expansions normally shouldn't require any additional installation. Just those registry keys. You'll get 2 new menus ingame (Counterstrike Missions and Aftermath Missions), and the game will ask the corresponding CD at the moment you click one of these buttons.