Sun Country N820SY SSW PMDG 737-800 4K 

Here are the instructions:

1.       Extract the PTP file from the downloaded zip file.

2.       Place it anywhere your PC (typically the downloads folder).
DO NOT place it in the MSFS folder structure, including the Community folder (The OC2 will properly extract it there and update the Layout.json file automatically)

3.       Press the Windows key on your keyboard

4.       Type PMDG

5.       Select the PMDG Operations Center and open as an Administrator

6.       Follow these steps when Ops Center is open.

         1.       Click the Aircraft and Liveries menu
                     Choose Livery Utilities

           2.       Select the Simulator,Select the Product,Select the Variant

           3.       Click Install from PTP file

7.       After the Open window opens, navigate to the folder you saved/extracted the PTP file to

8.       Click Open.

9.       Done

PMDG Aircraft config installation:

1. Press Windows + R then type %AppData% and press ok

2. Navigate to: (Should look similar to).. C:\Users\\AppData\Local\Packages\Microsoft.FlightSimulator_\LocalState\packages\pmdg-aircraft-738\work\Aircraft

3. Then drop/paste the config file in here "in the Aircraft folder"

4. Load the config in game through FMS