Question

4 computer software those r vry popular

Answer 1

4 very popular computer software are
Microsoft Office
Adobe Reader
Google Chrome
Firefox

Answer 2

1. Picasa Photo Viewer/Editor - It is the most used free picture editor after photoshop.

2.VLC Media Player - It has a wide variety of CODEC package and some special controls like slow motion fast motion etc

3.CCleaner - It is used to clear computer's cache and junk files like your browsing history. 

4.Google Chrome - The most used web browser by Google.