Make sure your file has been properly prepared.
If you are using a Windows PC install this software first.
Make sure you are using either Google Chrome or Mozilla Firefox as your browser.
Go to http://lasersaur.local/
Select "File Import"
Click "Import" and select your cutting file.
Wait for the SVG parsing to finish.
If the design contains different colored paths, they should be detected. Select the colors you want to cut.
Give your cut job a name and click "Add to Queue".