You can create your own blog on your website by following the steps below.
Step 1: Login to your WordPress website
Step 2: Select "posts"
Step 3: Select "add new"
Step 4: Title the post
Step 5: Add any text, media, videos, or links
Step 6: Add category "blog" or select the box next to the "blog" category
Step 7: Set a featured image for the post
Step 8: Select "publish" to finish
Now that you have published your blog post, you'll want to pull it and future posts onto one page.
Step 9: Go to "appearance"
Step 10: Go to "menus"
Step 11: Select "categories"
Step 12: Select "view all"
Step 13: Select "blog"
Step 14: Select "add to menu"
Step 15: Select "save menu" to save your changes
All of your blog posts will now pull onto one page accessible in the menu.