Canon VIXIA HG21 Digital Video Software (Windows) Ver.31 Instruction Manual - Page 5

System Requirements Install the software on a computer meeting the following minimum requirements. OS: Computer Model: CPU: RAM: Interface: Free Hard Disk Space: Display: Windows Vista (including Service Pack 1) Windows XP (Service Pack 2) Windows 2000 (Service Pack 4) * Proper operation is not guaranteed on an OS that has been upgraded from a previous version. Computers that come with above OS preinstalled and have built-in USB ports. Windows Vista: Pentium 1.3 GHz or better Windows XP/Windows 2000: Pentium 500 MHz or better Windows Vista: 512 MB or more Windows XP/Windows 2000: 256 MB or more USB: only preinstalled Windows Vista/Windows XP/ Windows 2000 systems with built-in USB ports • Canon Utilities - ZoomBrowser EX: 200 MB or more • Canon DV TWAIN Driver: 25 MB or more 1024 × 768 pixels or better/High Color (16 bit) or better  Proper operation is not guaranteed on a dual CPU PC or on a user-built PC.  Proper operation is not guaranteed on any particular system, even if it meets the requirements outlined above.  A CD-ROM drive is required to install the software. In this Instruction Manual, product names are abbreviated as follows: Microsoft Windows Vista (including Service Pack 1): Windows Vista Microsoft Windows XP (Service Pack 2): Windows XP Microsoft Windows 2000 (Service Pack 4): Windows 2000 Windows System Requirements 5