Heavy check mark
It has no Windows Alt code: copy it from this page, or use its HTML entity or Unicode number.
Copy it
About the heavy check mark
This bold tick comes from ITC Zapf Dingbats, a typeface of symbols that the German type designer Hermann Zapf drew in 1978. It was one of the fonts built into PostScript printers such as Apple’s LaserWriter Plus, and Unicode’s Dingbats block includes its glyph set.