After you download the package from ThemeForest named Armania Theme v1.x.x, please unzip it. You’ll see a file called Armania Theme v1.x.x. Inside, you will see a zip file: armania-v1.x.x which needs to be uploaded and installed.
Now that you made sure WordPress is up to date, you can install the theme via WordPress
Install Armania theme via WordPress
Step 1 – Log into your WordPress website and go to Appearance > Themes and click Add New.
Step 2 – Click Upload Theme.
Step 3 – Browse the armania-v1.x.x.zip file on your computer and click Install Now.
Step 4 – After the theme was uploaded successfully, click to activate it.