I can't seem to find downloadable W-9 Form?
There is a form in PDF available for download. You can use the direct download link posted below in order to save it to your PC.
Download link: https://www.irs.gov/pub/irs-pdf/fw9.pdf
Make sure to read all the indications available within the file. You can also visit the IRS website directly to find additional information: https://www.irs.gov/uac/About-Form-W9