https://www.microsoft.com/windows/antivirus-partners/windows-7.aspx
Clicking on the Norton free trial above goes to https://buy-static.norton.com/norton/ps/loem/msft/msft_us_en_2up.html
Clicking on 60 days Free gives
a pop up window and some information that it could be malicious - however if you download the file
NIS_20.3.0.36_MS_LOEM60_MRF1839_8830.exe
Norton scans it okay as well as Malwarebytes Anti-Malware.
???