All websites that aren’t currently customized: Click the When visiting other websites pop-up menu in the bottom. Before downloading a Mac cleaner software however, you should know that some Mac cleaners can actually make your Mac worse, instead of better. Block pop-up windows for: A website in the list: Select the website in the right column, then choose the option you want. Like any computer, your Mac needs some clean up work done every once in a while.
Note: If you have no idea whether an installed program is “good” or not, err on the side of keeping it, lest you accidentally remove something rather critical to Windows’ healthy operation). In the Safari app on your Mac, choose Safari > Preferences, then click Websites.
