This font is part of Microsoft Office software package so it cannot be downloaded separately. If you have installed Microsoft Office it should be available.
If you don't have it you can try some similar fonts here:
Modern, clean sans-serif font with balanced proportions and clear readability.
A clean and modern sans-serif font with uniform stroke widths, clear letterforms, and balanced proportions, suitable for versatile use.
Corporate branding, user interfaces, websites, print materials, and body text.
Body text, headlines, user interfaces, and branding.
Help your fellow font-seekers if you think you can recognize the font. Earn some good karma by doing it :-)
Answer & Help
Yet sometimes the images are very complex, so other users need a bit of help.
If you recognize the font from the samples posted here don't be shy and help a fellow designer.
Thousands of designers (famous or not) use the image font detection system to find a font or similar free fonts from an image.
Although we have the largest database of fonts, the search for a font from an image gets mixed results like the image above.