To zip a file you will need the 3 following things:
-A file to be zipped
-WinRar (its a free program)
In the next step we'll go over how to get winrar
Step 1: Downloading and Installing Winrar
You can using the following link download WinRar:
After you open the link select save file.
After the file is fully downloaded run it to install WinRar.
Step 2: Zipping Files
1. Highlight all your files.
2. Right Click and select "Add to archive"
3. Give the zip file a name and check the box next to "ZIP" under "Archive Format"
4. Select "OK" and winrar will give you a zip file with the contents of your highlighted files inside of it.
Step 3: Emailing Your Zip File
To send all of your files as one zipped file load up your email provider and attach your zip file as you would any other file and select send.