Well I try to explain it in step by step mode to make it easy to understand:
1. Find provider first, for this tutorial I choose HitcounterExperts. Go the their website and click on link ‘create a counter‘ or click the picture
2. Choose one of style provided there, just click on the image or ’see more’ link to see other variation.
3. Pick the style, just click on the picture.
4. Fill all required information, like this one. Click on ‘Generate Counter Code‘
5. Copy and paste created code to your website / blog.
6. For wordpress blog, you can find file ‘footer.php’ and paste the code. Followed by upload it to the host.
Finish