For those who dont know what they are had to many emails regarding this.
Rar files are a compression format that we use on this site to package files, we find rar files are more reliable and compress files better than the normal zip format.
So how to uncompress files using Winrar step by step
1. Downlaod Winrar by clicking this link and save it to your desktop
http://www.rarlab.com/rar/wrar371.exe double click the downloaded file and install the program takes a few seconds thats it forget about the program.
2. Download the manual you want from the site, when its downloaded right click on the file and extract it either to a folder or what ever you want
The file inside is mainly PDF format, you open PDF files with acrobat reader.