How can I use old version project in newest version?

Cocos Creator
1

image
I currently can’t use this in v3.8.3, I need help with it, can someone please help me?

2

You can read the article about how to upgrate the project to 3.x :Cocos Creator 3.0 Upgrade Guide | Cocos Creator
And also there is FAQ in the link to tell you to solve some problems during the upgrade.

3

not sure we can upgrade cc v1 directly to cc v3.
ts vs js
api changes
etc. etc.

so, we better do it manually.

4

Yeah, a lot of apis changed. And totally different between v1 and v3.