There are several different ways to copy the full path of a folder or files. Please see below for details:
To Copy the Full Path of a Folder:
Step 1: Open the folder, and right click on the address bar;
Step 2: Select "Copy address" from the dialog box and paste to the new location.
To Copy the Full Path of one or more files
Step 1: Select a file or multiple files by holding the "Shift" or "Ctrl" key in the folder;
Step 2: Right click while holding the "Shift" key, and click "Copy as path" from the list;
Step 3: Paste the paths to the new location.