Marja,
By default any plugins in the wp-content/plugins directory will be shared across the site. You can Network Activate a plugin so it’s activated on all sites.
For themes, you will need to Network Enable the themes in the network admin panel.
I’m not sure about the posts. That would be a support question for the plugin author that doesn’t match the scope of this QA site.
Hope this helps you out.
Related Posts:
- How can I list only sites that use a particular theme or plugin?
- Get list of sites that uses specific plugin or theme
- Unable to install theme recommended plugins on Multisite
- There is any way to remove post-format filter? [closed]
- Is there a way to get plugins and themes not built for multisite to work on a network subsite?
- Create a single website with 3 theme options in wordpress
- Cannot add edit themes and add plugins after multisite update
- In Multisite Setups, how to update mass sections of sub-sites
- Multisite converted to Single Site can’t add new plugins or new themes
- how to add navigation icons in specific template?
- How to Call Function From Separate WordPress Install on Same Server?
- Show function to super admin
- Generate pages from markdown files in github automatically
- (FES EDD) New vendor submission page is blank
- Plugin-generated pages use Not Found or Pages Archive templates?
- Is there any kind of theme on WordPress to sell my own movies?
- Create custom registration form for WordPress Multisite
- Child Pages Short Code plug-in and hover capabilities?
- Install (enable) plugins on multisite, on localhost
- Classified ad website : which solutions to use? [closed]
- WordPress multi domain – redirect
- Linux Permissions and Ownership for WordPress
- posts comments goes to trash
- WordPress site periodically goes down
- Masonry images not working
- How can I copy all users to newly created site on a multisite network in WordPress?
- Advanced Custom Field DatePicker [closed]
- Fatal error: Call to undefined function cmsms_theme_page_layout_scheme()
- WordPress wp-admin/network/plugin-install
- Create a multisite network for an existing installation
- All sites themes functions.php have been changed
- Homemade plugin while using Themify Ultra
- “Micro-Site” Options
- External Domain on WordPress Multisite
- Why namespaces are rarely used in WordPress plugins?
- What will happen if i deactivate my visual composer plug in? [closed]
- Finding the URL to be used to check if plugin is installed with a theme
- How to create user that has permission to create new sites on WordPress with multisite option enabled?
- Configuring Propel to Work with Multisite
- Theme/Plugin installation through url on button click
- Setup page on first login on multisite
- (Big issue) Blog is Getting Down Each day.. what should i do.?
- Custom wordpress Theme and Plugin repository
- Subdomains with almost the same content
- Uninstalling plugins across all sites
- WordPress 3.8.3. custom theme – sliders won’t load js/css files
- Multiple domains issue
- How can I position ShareThis buttons manually when using the plug-in? [closed]
- Custom table naming/access convention for multisite: $table_prefix vs base_prefix or other?
- How to require users to login when not logged in
- Users are being redirected to main site when trying to register on subsite of my Multisite network
- Error when using plugin QuickCache with plugin Mobile Smart ? [closed]
- “Master” WordPress Multisite – Database Sync
- Will these plugins work with wp multisite?
- User Signup in Multisite – Need Plugin or Advice
- Does WP delete deprecated plugin/theme files on plugin/theme upgrade?
- Add custom text color WordPress 3.9 TinyMCE 4 Visual editor
- Is there any hook for theme activation ? or something similar?
- How to use get_template part in the plugin?
- How can I use get header from within my plugin?
- Redirect to another page using contact form 7? [closed]
- How do I find out what is in control over a certain part of a website?
- “No Add Button” for me to customize my WordPress with themes and pluggins
- How do I combine a theme with a plugin
- How can I list all installed plugins/themes/versions from CLI/API?
- My single.php page does not show the related data to the post which is clicked
- Network activating; if ( !current_user_can( ‘manage_options’ ) ) locks me out…
- Where are theme codes located for WordPress?
- Certain functions are undefined when called form mu-plugins
- Multisite for Multisite?
- Overwrite category head title
- Basic gallery plugin suggestion [closed]
- How to check if my wordpress websiste is nulled or not?
- Multisite – maximum number of users with specific role
- Why does my file_exist check fail?
- Remove specific plugins and themes from the Dashboard->Updates page [duplicate]
- Why shortcode always displayed after footer not in body
- Understanding State in WordPress Multisites
- WordPress Multisite: Programmatically Activate / Deactivate a Plugin of a Specific Blog
- using do_shortcode
- Create custom pages with a plugin
- How to write “alt” tag in image for wordpress code?
- Does heavy theme and plugins affect server’s response time? [closed]
- One sub site is slow while all others load fine, same theme & plugins [closed]
- How to protect WordPress from security scanner [closed]
- How to load different homepage on Mobile.?
- How to get menu location in wp_update_nav_menu hook
- Proper way to use plugin functions in functions.php
- How to activate a plugin on the activation of a theme?
- Theme Custom Pages
- Use different single.php file based on condition
- how can I query all wordpress users of a blog
- how can I do something on new user registration?
- WordPress plugin won’t show on some themes
- Making that Admin Bar transparent or a blue color
- Which wordpress theme is compatible Optima Express theme (real estate inventory) plugin?
- How to Include File from Plugins into Template?
- how to activate a plugin inside a theme
- How to display terms and conditions in post area?
- How to see which sites use my installed plugins (wordpress multisite)