1.Login to your Account

The first step in changing your details is logging into your account. Most websites and apps require you to enter your login credentials before accessing the relevant settings page.

2. Update Contact Information

Once you've logged in, head to the contact information settings page. Here, you will be able to change any contact details such as your email address, phone number or street address. Make sure these details are up-to-date and accurate as they may be used for verification purposes or communication purposes such as marketing material or password reminders.

3. Verify Your Details

Many service providers require additional steps of verification when updating contact details. You may need to confirm your new information via an SMS code or receive verification through old contact information (if it was changed). Always check that these extra steps have been completed before continuing with the changes you have made.

4. Update Password

It's important to update your password after making any changes if it is relevant to do so. This adds an additional layer of security and keeps unauthorized users from gaining access to your account should someone get ahold of outdated passwords/details in the future due to possible data breaches, etc. Try using a mix of numbers, letters, special characters and lower/upper case letters for additional security and consider setting up two-factor authentication if available for added protection for sensitive accounts such as banking apps etc..

5. Review & Submit

Finally check that all of the changes are correct before submitting them – go over any text boxes one last time to ensure everything has been entered correctly! Once everything is verified and saved/submitted – back it up! Ensure all records are stored securely outside of their respective services provider(s) should anything ever happen requiring reference in subsequent years etc..