This is an accepted solution.
Nick here from Shopify. Great question!
I am also using Prestige as my theme and love it. Gald you think the same and went with it also. It's so dynamic and nice to look at!
Regarding adding a blog to your theme you can follow the steps below from your store admin:
1.) From your Shopify admin, go to Online Store > Blog Posts.
2.) Click Manage blogs.
3.) Click Add Blog.
Give your blog a title, and then select how you want to manage comments.
4.) Optional: If you have created a custom template for blogs, then you can select a template. In the Template drop-down menu, select the template that you want to use for the blog. All of the posts in the blog will use the template.
5.) Click Save blog.
Shopify also has a guide going through all the steps for this plus much more on blogs that you can read here.
Let me know if you have any other questions!
All the best, Nick