Are you curious about "how to make x account private"? You can easily manage who can view your posts by setting them to private. Open the X app or website first, then sign in. In the upper left corner, tap your profile photo. Next, select "Settings and privacy." Click "Privacy and security" from there, then "Audience and tagging."

Simply turn on the "Protect your posts" option that appears. Boom! Your content will no longer appear in public searches, and only those you have approved as followers can view your postings. Additionally, you will be responsible for accepting any requests from new followers. Do you want to further restrict it? To control who can tag you or view the postings you like, go to the "Information sharing" section.