Here are the steps to convert an image to vector using Adobe Illustrator:

1. Select an image you want to convert to vector, and add it to your artboard through File > Place.
2. Use the Image Trace Tool to trace your image file.
3. Expand the traced image.
4. Edit your vector.
5. Save your image.

Here is a brief tutorial video that shows you how to do it:

If you don't have Adobe Illustrator, there are other ways to convert an image to vector. You can use software like CorelDRAW or Photopea. Here is a step-by-step guide on how to do it using CorelDRAW: