To understand the keyword, you must understand the software. ESET Smart Security 4 was a flagship product during the late 2000s. It was renowned for being incredibly lightweight—it could run on a PC with just 256MB of RAM.
Millions of people in emerging markets or remote areas still run Windows XP or Windows Vista (which ESET SS4 supported). Modern antivirus software requires SSE2 instruction sets or Windows 7 SP1 at minimum. ESET SS4 remains one of the last functional antivirus suites for ancient hardware. eset smart security 4 username and password 2023