Can I add html slideshow gallery in Wordpress?

Q: Dear support,

I really want to install the free download option for WordPress, but I have a permanent failure, can not find the HTML SETUP. must I buy it, because then it is not a free option?

A: 1. Download wowslider wizard program for Win or Mac from
http://wowslider.com/wowslider-free-setup.zip

2. Create a slideshow in wowslider program and click "Publish" button, select "Wordpress Slider" as a publishing method.

3. Install and activate the created module – wowslider.zip as WordPress plugin.

4. wowslider menu will appear. Go to wowslider -> All Sliders and copy the shortcode of your slider.

5. Add the shortcode inside the page where you want your slider to appear.

6. Preview changes.

7. Use wowslider menu wowslider -> Add New to add each next slider.

See also WOW Wordpress Slider Plugin at WordPress.org