If you purchased Inspire from authorized DJI dealer, you have 7 days for return of faulty unit, if memory serves me well ...
1. Before you do anything else, read the manual. Not User Guide, it's not good enough. Don't rush.
2. Read the manual again, make sure you understand all warnings, shortcomings and limitations of
Inspire 2. Charge TB50 batteries, charge RC battery. Install DJI Go 4 app on your device, make sure the device is approved/powerful enough to handle the task.
3. Install DJI Assistant 2 software in your PC (downloadable from
Inspire 2 web page). Remove props, power RC, power Inspire, launch the app, follow on-screen instructions, activate the drone with your account. Ignore Fly Safe Data warnings at this moment, worry about it later. Notify all other warnings which may eventually pop up. If everything is more or less OK, you'll be awarded with camera image on screen.
4. Launch Assistant software on PC, log in with your DJI account, connect with Inspire via USB cable.
5. Confirm latest FW on Inspire, update if necessary. Recently Inspires are coming with factory installed FW .0400 at the end, this is OK, identical with .0300.
6. Confirm activated ProRes license on this Inspire (License tab in Assistant 2).
7. Address all other possible issues before maiden flight, i.e. IMU/compass calibration etc. Carefully check the displays within DJI Go 4 app, telemetry readings, battery status in particular (after pairing), calibrate RC etc, etc. Don't ignore any red acclamation signs.
8. Shut everything down, reboot, check everything again.
9. Take a coffee break ...
Now you're ready to play with the beast. Baby steps, trust me ... Drive to a wide open field. Launch the bird several feet up, let her hover for a couple minutes, observe. Examine telemetry readings, battery status page etc. Command slow banking left/right, yawing both directions, forward/backward. Stop, observe hovering stability. She may wobble a couple inches up/down/sideways, that's normal. More than a feet wobble is not normal, she must go back to a dealer for replacement. Finally, throttle her up a bit more and start flying forward. She must go straight. If she does, you're one lucky xxxxxxx

! Good luck ...