How to change my security questions

Hello Lola876,

Thanks for using Apple Discussions.

Here's how you can change your Security questions:

1. Sign in to your Apple ID account page.
2. In the Security section, click Edit.
3. If you already have security questions, you'll be asked to answer them before you continue. ... 
4. Click Change Questions. ... 
5. Choose your new security questions, then enter the answers.

More information here: https://support.apple.com/en-us/HT201363

If the steps in the article below don’t work, contact Apple ID Support, although I’m not sure they will help. There have been posts that state Apple ID Support will no longer help reset security questions.

Apple ID - If you forgot the answers to your Apple ID security questions

Apple ID Support

Apple ID Support (2) 

Apple Support by e-mail or chat    Work through the screens to get a chat option.  You may need to pick a problem that is slightly different than yours to get a chat option.  

Apple Support using Twitter

Or fill out and submit this form.          The form is for iTunes, but it will get passed to the ID Support section.  

Then you need to contact Apple ID Support using the links I posted above.

You are welcome.