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What is the minimum HDD space for a 64-bit Windows 7 OS?

  1. 10GB

  2. 16GB

  3. 20GB

  4. 40GB

The correct answer is: 20GB

The minimum hard disk drive (HDD) space requirement for a 64-bit version of Windows 7 is 20GB. This requirement ensures that the operating system has enough space for the installation, as well as for future updates and additional applications that users may install. While some options may suggest smaller HDD capacities, they do not meet the essential needs for a 64-bit system, which typically requires more storage due to the larger file sizes and additional components associated with a 64-bit architecture compared to its 32-bit counterpart. This specification is crucial for ensuring optimal performance and usability of the operating system.