Arial version 7.00 is a proprietary typeface owned by Monotype Imaging
If you want to avoid system fonts entirely and use a free, downloadable bold sans-serif, use Google Fonts: arial font version 700 free
Many users search for this specific version because design software like CorelDraw or Adobe Illustrator may flag a "missing font" if a file was created with version 7.00 but your system uses 7.01 or an older v6.xx. In most cases, substituting the version on your current system will not visibly change the design. Top Free Alternatives Arial version 7