I Lost The Instruction Manual For My Singer Simple Sewing Machine Purchased 2 years Ago At Walmart. How Can I Find One?

There are two Singer Simple Machines. The 18 stitch is model 3116. The 23 inch dial type is model 2263.
I found a copy of the 3316 model at
http://safemanuals.com/user-guide-instructions-owner-manual/SINGER/3116-_M

There are many links on these pages. The link you want is in the upper right by the little man icon that reads, "Download the complete user guide..."