Go to your old PC.
Go to the following folder
C:\DreamTai_50225\
In it, you will see a folder named [data]
Copy the [data] folder and its sub-folders.
Go to your new PC.
We will replace the [data] folder here with [data] folder from your old PC.
Go to the following folder
C:\DreamTai_50225\
Remove the [data] folder here.
Copy the [data] folder from your old PC into this folder.
Now, start DreamTai on your new PC.
You will see that all your stocks and watchlists are there in your new PC.