Login to your WordPress website
Step 1: Navigate to Pages>All Pages
Step 2: Click Edit to edit your Homepage
Step 3: Click the + sign in the upper left corner to create a new block
Step 4: Select Widgets>Lastest Posts
Step 5: Once the block as been added, you can configure how much text is shown, enable the thumbnail images, set the number of posts that will be displayed, and more
Step 6: You can move the block up or down by using the controls on the left side of the block
Step 7: Click Update to save your changes