OpenOffice can open and save in MS Office format, and is fine for most non-specialised uses of Office packages. Do bear in mind that extremely complex formatting may not be possible.
You should remember to set the Tools | Options | Load/Save | General | Default File Format to be the MSOffice equivalents, for easy distribution of end results.
The Gimp is a freely distributed piece of software for such tasks as photo retouching, image composition and image authoring. It works on many operating systems and is avalible in many languages. 下载GIMP
Mozilla Firefox - Web browsing
Mozilla Firefox is a web browser that is becoming increasingly popular as an alternative to Internet Explorer. Mozilla Firefox下载
Mozilla Thunderbird - Email
Thunderbird is a popular, free alternative to Outlook. The University Information 服务 provide configuration instructions.