Word processing files written in Hangul, a Korean language are often saved as hwp files. To open hwp files you will need a word processor that supports Asian languages. You can use Open Office Writer to open hwp files if you download the Asian language pack. Open Office Writer is a free open source word processing program that can be found many places on the internet.
Once you have downloaded and installed Open Office or the Open Office software package you will need to locate the Asian language pack and install it to be able to open hwp files. Open Office Writer supports many different languages. Language packs for Open Office Writer are also free and plentiful on the internet. Doing a simple search will allow you to find the Open Office Writer language pack as well as proved instructions for using it.
If you do not already have Open Office software installed on your computer, it is highly recommend that you download the entire Open Office software package. This package contains many useful office tools for free. You will find Open Office Writer inside the package as well as Open Office Calc, a spreadsheet creation program, and Open Office Base, a database program. There are several more helpful programs in the Open Office line as well.