متطلبات التشغيل بلنسبه لـ 32Bit

A blank DVD
A PC with a DVD burner
A PC for testing that meets these minimum system requirements (specific to Windows 7 RC and subject to change in the final version of Windows 7):
1 GHz or faster 32-bit (x86) or 64-bit (x64) processor
1 GB RAM (32-bit) / 2 GB RAM (64-bit)
16 GB available disk space (32-bit) / 20 GB (64-bit)
DirectX 9 graphics processor with WDDM 1.0 or higher driver

متطلبات التشغيل بلنسبه لــ 64Bit

A blank DVD
A PC with a DVD burner
A PC for testing that meets these minimum system requirements (specific to Windows 7 RC and subject to change in the final version of Windows 7):
1 GHz or faster 32-bit (x86) or 64-bit (x64) processor
2 GB RAM (32-bit) / 2 GB RAM (64-bit)
20 GB available disk space (32-bit) / 20 GB (64-bit)
DirectX 9 graphics processor with WDDM 1.0 or higher driver
 

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هذه الدروس من  موقع م. أحمد عرفة
http://ahmed.ms-sources.com