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Storage -> SATA Controller -> Add Hard Disk.In the Oracle VM VirtualBox Manager, click "Settings".click "Run VBoxWindowsAdditions.exe", click on stuff to install the stuff.click "Devices" -> "Install Guest Additions.".
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Info: Install instructions: Install Guest Addtions to allow sharing between guest/host, better screen resolution Windows 7 Professional 32-bit took 7.3GB after installing. I chose 1GB ram and 30GB hdd for the guest to run MS SQL Server Management Studio.
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