Avast PC Report: Millions Computers are running outdated versions of the popular softwares such as VLC, Skype, Java and Foxit reader are not updated. Google Chrome, Adobe Reader, WinRAR, Microsoft Office, Mozilla Firefox and Mozilla Firefox are the most out-of-date software of 2018. The data extracted in this reprt is from 163 million PCs and the report covers the most popular Pcs, software, and hardware used today worldwide. Around the globe windows 7 is the still most popularly used OS and windows vista is the rarely used OS.”]