Open your File Explorer or "My Computer" with your Start button. Choose the files you want to compress by holding the shift or control key and clicking on the file. Right click on the chosen files and select send to Compressed (zipped) folder. A zipped folder will be created in the same folder your image files were in. Windows automatically names the zipped file the same name as one of the files you are compressing.
Download a free zip software such as Zip Central (see http://www.snapfiles.com/get/zipcentral.html). Follow the instructions on how to create zipped files.
If you have files in any other program, contact us by email using the email link below.