1: Once you receive the new Powergate V4 tool, open the box, open the small instruction paper and scan the QR code with your phone, this will give you a link to download the Powergate application on your phone. 2: Install the application, and follow the step by step instruction on the application, create your alientech account and link the tool to your phone. 3: You can now go further and link the tool to your car/truck, just choose your model and follow the on screen instruction, this will ''VIN lock'' the tool to your engine ECM and Transmission TCM, Don't worry about the year of the vehicule, all that matters is the engine code, and you must select ''Virtual read'' or ''ID'', not ''READ'' otherwise it will not work. The ''READ'' option is for older vehicule. 4: If you have ordered a transmission tune, just repeat the step 3 again for the Transmission tuning. 5: Go to your dashboard on this website, locate your purchase and hit the button. A popout containing a form will appear. Carefully enter the serial number of your PG4 device and select up to 4 engine tunes as well as up to 4 trans tunes ** SEE NOTES **. Submit the form and allow a moment for the automatic tune creator to sync the tune files to your mobile app. 6: You will receive notification on your phone when your tune have been added to your account, this generally takes a few minutes. 7: Do not contact us back saying you only received 2 tune instead of 4, you need to scroll down the page on your phone to see all tune listed. Note: this new Powergate V4 can only hold 4 tunes at a time, so you will need to choose which 4 you want, of course you can choose only 1, 2 or 3 tune if it's all you need. Trans tunes are separate and have their own 4 slots as well. Note 2: For 2014 to 2017 Jeep Grand Cherokee Ecodiesel , you must absolutely select Ram 1500, NOT JEEP, for 2018 and up WK2 you must select Jeep, if you do not do this step corectly, you will have a charge of 100$ usd to pay to reset the tool. Email: MR-Tuning@outlook.com