At first you have to download 7- Zip from here 32bit / 64bit Install the application Right click the folder or file you want to decrease file size Go to 7 - Zip option click Add to "Your file.7z" Wait for few minutes then a duplicate file is appear and its size is decreased.
Open the word document you want to convert In Microsoft office 2010 click on the file menu Click on save as Type your file name Click on Save as your type Select PDF Click Save