Installation is in English but you can change language afterwards to any of this list via Windows Multilingual User Interface (MUI)
* Arabic
* Brazilian Portuguese
* Bulgarian
* Chinese Simplified
* Chinese Traditional - Hong Kong
* Croatian
* Czech
* Danish
* Dutch
* English
* Estonian
* Finnish
* French
* German
* Greek
* Hebrew
* Hindi
* Hungarian
* Italian
* Japanese
* Korean
* Lithuanian
* Norwegian
* Polish
* Portuguese
* Romanian
* Russian
* Serbian Latin
* Slovak
* Slovenian
* Spanish
* Swedish
* Thai
* Turkish
* Ukrainian


How to change language?
*Look at this official site from Microsoft, it's a tutorial.*

Windows 7 System Requirements


If you want to run Windows 7 on your PC, here's what it takes:


* 1 gigahertz (GHz) or faster 32-bit (x86) or 64-bit (x64) processor
* 1 gigabyte (GB) RAM (32-bit) or 2 GB RAM (64-bit)
* 16 GB available hard disk space (32-bit) or 20 GB (64-bit)
* DirectX 9 graphics device with WDDM 1.0 or higher driver


Additional requirements to use certain features:


* Internet access (fees may apply)
* Depending on resolution, video playback may require additional memory and advanced graphics hardware
* For some Windows Media Center functionality a TV tuner and additional hardware may be required
* Windows Touch and Tablet PCs require specific hardware
* HomeGroup requires a network and PCs running Windows 7
* DVD/CD authoring requires a compatible optical drive
* BitLocker requires Trusted Platform Module (TPM) 1.2
* BitLocker To Go requires a USB flash drive
* Windows XP Mode requires an additional 1 GB of RAM, an additional 15 GB of available hard disk space, and a processor capable of hardware virtualization with Intel VT or AMD-V turned on
* Music and sound require audio output


Product functionality and graphics may vary based on your system configuration. Some features may require advanced or additional hardware.


Windows 7 Ultimate is the nonplus ultra edition of the Windows 7 operating system as it is the only edition of Windows 7 that is feature complete. All other editions with the exception of Windows 7 Enterprise which is Windows 7 Ultimate branded differently lack features that are included in Windows 7 Ultimate. It combines remarkable ease-of-use with the entertainment features of Home Premium and the business capabilities of Professional, including the ability to run many Windows XP productivity programs in Windows XP Mode. For added security, you can encrypt your data with BitLocker and BitLocker To Go. And for extra flexibility, you can work in any of 35 languages. Get it all with Windows 7 Ultimate.