There are a few ways to create a vector layer, and all of them are very easy. Follow this recipe to make your first vector layer.
You will need a file open to complete the following recipe. Any file will do. Also, you will need the Layer palette visible. If it is not already visible, go to Window | Layer to open it.
This recipe will show you one method of creating a new vector layer:
Navigate to Layer | New Layer | Vector layer.
Enter a name for the layer in the New vector layer box.
Choose a color for Expression color (Monochrome, Gray, or Color) from the drop-down menu in the New vector layer dialog box.
If applicable, choose a Blending Mode from the drop-down menu in the New vector layer dialog box.
Click on OK to create the new layer.