http://msdn.microsoft.com/en-us/library/8z6watww.aspx
Based on the above link what should i chose ? I am forced to stick to .Net 3.5 because it has less hardware requirements.. However on my XP 2gb ram machine it takes 30 s to load a .net 3.5 program..,so i think that it would take hours to run a simple .net program at 开发者_JAVA百科machine with less than 512 mb ram !! so there is no reason to stick to 3.5.. But it takes too much disk space!! WTF 1.5 GB for .net 4 ??? it is too much.. What should i choose for better compatibility ?
Chances are your application will be able to target the .NET 4.0 Client Profile. Disk Space requirement is 600MB, however the download size for your users (IIRC) is around 40MB.
I see no reason to use 3.5 over 4.0, the benefits definitely outweigh the negatives you could find about it.
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