Can I install windows 7 64-bit on my Lenovo s10-3s?

I have a Lenovo s10-3s ideapad. Its specifications are: Intel Atom Processor, 2gb of ram, 500gb HDD.

When I open system properties, it says, "x64 based processor". So can I install win 7 64-bit or not? Or any other 64-bit windows?

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