#1. Microsoft Office
For doing office, school or work things like making documents, presentations, spreadsheets, etc.
#2. Winrar
WinRAR can compress the files in either ZIP or RAR file format. The program can also compress files into CAB, ARJ, LZH, AZE, and ISO file formats. The WinRAR program may also unpack or extract files with a ZIP or RAR file format from the Internet.
#3. Mozilla Firefox
Mozilla Firefox (known simply as Firefox) is free and open-source web developed for Windows, OS X, and Linux, with a mobile version for Android, by the Mozilla Foundation and its subsidiary, the Mozilla Corporation.
#4. ESET NOD32 Antivirus
ESET NOD32 Antivirus gives you record-breaking anti-malware and antispyware protection, whether you are social networking, surfing the Internet or gaming.
#5. Adobe Reader
Adobe Reader is a free program for viewing and printing PDF documents. It includes an Adobe Acrobat browser plugin for displaying PDF documents within Firefox and other Web browsers.