Windows 7 Upgrade

I want to upgrade my windows 7 32-bit to windows 7 64-bit.If I upgrade,are my data will loss?
Asked Oct 24, 2010
You can use the Upgrade option during Windows 7 installation, which preserves your files, settings, and programs, only if you're currently running a 32-bit version of Windows Vista and you want to upgrade to the 32-bit version of Windows 7. Similarly, if you are running a 64-bit version of Windows Vista, you can only perform an upgrade to a 64-bit version of Windows 7.

More info:
Answered Oct 24, 2010
U think I should choose Upgrade or Custom?
The way I read the above, it says it only preserves your files if you're converting 32 to 32 or 64 to 64 between Vista and Win7. If converting 32 to 64 you will lose the files. Your question sounds like that's NOT what you want to do.

Upgrade installs all of the files and Custom lets you select what features you want. If you're willing to lose the files, I'd do Upgrade.
Rob Oct 24, 2010
Alright,now im safely upgrade from 32-bit to 64-bit and now I can use my Adobe After Effects and Adobe Premiere Pro..after I upgrade,the shortcut icon is too can I decrease the size of the icon?
There has been some chatter on the web about problems with Adobe thumbnails on 64 bit systems. Here's Microsoft's article on changing thumbnail size:
Rob Oct 25, 2010
i means in the desktop...

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