If you insist on installing this specific version (perhaps for an offline Windows 7 PC), here is the safe method:
Allows users to change interface colors, hide startup messages, and set administrative passwords. Management Tools: Smadav Pro 2020 Rev. 13.5.0 with Key
Smadav is currently on (or higher). Buying a license gives you a lifetime key that works on all future revisions. It is arguably the cheapest lifetime antivirus license on the market. If you insist on installing this specific version