To install the BuddyPress Activity Filter plugin. Follow the steps given below
Step 1) Login to the WordPress Dashboard.
Step 2) On the Dashboard of your website, scroll down the left-hand sidebar and click on Plugins.
Step 3) From the Installed Plugins page, click on Add New at the top of the page. Alternatively, click on Add New from the drop-down menu under Plugins on the sidebar.
Step 4) On the Add Plugins page, you can see the upload button on the left-hand side, at the top of the page.
Step 5) After clicking the upload button, you can upload plugin zip & install.
Step 6) The plugin is now installed and unpacked into your website. The last thing to do now is click Activate Plugin.
Step 7) Once activated, you will be redirected to the Installed Plugins page. From here, you can read all the info about your plugins, and deactivate and delete it if you no longer need it.