Step 1. First, at the top right of the Roblox page click on the Settings cogwheel
Step 2. Now from the drop-down menu, Choose Settings. Next to Password Click on the edit button.
Step 3. Now here you can Enter your old password and your new password which you want to be instead of that.
Step 4. While you want to change the Roblox password, be sure to be logged into your Roblox account.
Step 5. At last, just click on Update, and your new Roblox account password is updated.
Step 5. So, now you can fetch your Roblox account with a new password. For this Go To Top of Form.
For More Details Click Below