Choose a vector graphics editor such as Adobe Illustrator, Inkscape, or Affinity Designer
Create a new document with the desired dimensions
Import or draw the artwork using shapes, lines, and pen tools
Trace raster images manually or with auto-trace tools if needed
Edit anchor points, curves, and paths for accuracy
Use solid fills, strokes, and gradients as required
Organize elements into layers or groups
Check that all artwork is made from vector paths
Save the file in a vector format such as SVG, AI, EPS, or PDF
Export a copy in the needed format for print or web use