come veriicare powershell installato

{% for post in paginator.posts %} {{ post.title }} {% if post.subtitle %} {{ post.subtitle }} {% endif %} posted on {{ post.date | date: "%d %b %y" }} {% if post.image %} {% endif %} {{ post.excerpt | strip_html | xml_escape | truncatewords: site.excerpt_length }} {% assign excerpt_word_count =...