If the project is still in your old computer then why not go ahead and produce it as is. You can then bring the produced file into your new computer for further editing.
You can recreate the title in the video by using the “Default” title. Open Title Designer. Type in all your text or Copy and Paste from a text editor like Windows Notepad that you had prepared earlier. You may have the script in your old pc so you don’t have to retype.
Try this first: Open the title in Title Designer. Preview it in Title Designer. Make any changes and click OK to exit. You may find that the title is working in your new pc after this. It is possible that you used a font that is in your old pc that does not exist in your new pc. The fix may be to select a different new font in Title Designer.
There are many Title Designer tutorials on the internet that can help. Here is one relevant to scrolling up text:
https://youtu.be/s7uReNCGNzk . It may be more than what you need.