I have 2GB of RAM on my laptop, which is the max.  

Should I install 32 bit version or 64 bit version?


Question: HowTo: Add Class to Sidebar Widget List-Items
Answer: what about creating a seperate sidebar for this widget and adding class using register_sidebar funciton ?

register_sidebar(array(
    'name' =&gt; 'First_sidebar',
    'id' =&gt; 'sidebar-1',
    'class'         =&gt; 'ul-class-name',
    'before_widget' =&gt; '&lt;div class="well"&gt;',
    'after_widget' =&gt; '&lt;/div&gt;',
    'before_title' =&gt; '&lt;h4&gt;',
    'after_title' =&gt; '&lt;/h4&gt;'
));