@villnoweric After activating BuddyPress, you need to go through the Installation Wizard https://codex.buddypress.org/getting-started/setting-up-a-new-installation/installation-wizard/
Also, double-check Settings > Permalinks, it should be set to other than default permalink structure. BP requires “pretty permalinks”
		
	 
	
	
	
 
		
			
	
	
		
		 @mercime I went through the wizard already. on the page part i clicked create page at mysite.com/wordpress/activity/ but it never created one!
		
	 
	
	
	
 
		
			
	
	
		
		Strange.
Try Pages > Add New –> Activity (in title and nothing in text area) then publish. Then go to Settings > BuddyPress > Pages panel and choose the newly created Activity page and click on Save. See if that works.
		
	 
	
	
	
 
		
			
	
	
		
		 @mercime I unistaled it all off my server and re installed and it did… NOTHING. I did that about 2 hours ago. i  made a new page and all it did was change /activity to /activity-2 and i still get the same “not found” message!
		
	 
	
	
	
 
		
			
	
	
		
		== but i dont have that folder in my server so i get a “page not found error.  ==
Virtual pages ala folders are created and won’t be seen in your server at all.  You mentioned that you have WP/BP installed in a subdirectory,  mysite.com/wordpress/ What do you have installed in domain root mysite.com? HTML or PHP or something else?