This is how the installation READ_ME.txt file should have been:
This won't work online.
YOU HAVE TO INSTALL THE "Ego ERP Archiver" PROGRAM!
Open up "Ego ERP Archiver.exe" and then navigate to the .erp file that you need to edit.
I.E. You have to click "File" and choose "Open" inside the Ego ERP Archiver program.
example: D:\GAMES\Steam\steamapps\common\F1 2021\2021_asset_groups\f1_2021_vehicle_package\teams\fom_car\wep and open up fom_car.erp.
example: D:\GAMES\Steam\steamapps\common\F1 2021\2021_asset_groups\f1_2021_vehicle_package\teams\myteam_ferrari\wep and open up myteam_ferrari.erp.
(team honda, team mercedes, team renault, etc.)
(These are most likely in a different location on your PC, you must find your installation folder of your F1 2021 game and navigate to the F1_2021\2021_asset_groups\f1_2021_vehicle_package\teams\fom_car\wep folder).
First lets start with the fom_car folder.
Click on the "Ego ERP Archiver.exe" to open up the program tool.
Next You have to click "File" and choose "Open" inside the Ego ERP Archiver program.
Navigate to the "F1 2021\2021_asset_groups\f1_2021_vehicle_package\teams\fom_car\wep folder".
Then choose the "fom_car.erp" file.
Once it's open you'll notice four tabs:
All Resources 2346 (random number), Pkg Files 9 (random number), Textures 414 (random number), XML Files 1 (random number)
Click on the "Pkg Files 9" tab and select (highlight) the "fom_car-carmodel!!!temp000.layer" file and then click on the "Pkg Files" at the top of the menu and choose "Import" then choose "fom_car-carmodel!!!temp000.layer.json" from the "MYTEAM V10" folder that you downloaded in this mod.
It should import the .json file and replace the old one.
NEXT: Click on the "XML Files 1" tab and select (highlight) the "fom_car!!!temp000.vtf" file and then click on the "Xml Files" at the top of the menu and choose "Import" then choose "fom_car!!!temp000.vtf.xml" from the "MYTEAM V10" folder that you downloaded in this mod.
It should import the .xml file and replace the old one.
FINALLY: DO NOT FORGET TO CHOOSE "FILE" THEN "SAVE" OR PRESS "CTRL (CONTROL) + S" ON THE KEYBOARD!!
YOU MUST: Do the exact same thing as the last two options to the team you want to select in your MYTEAM career.
Choose what team(s) you want to modify: (I'll use Ferrari for example)
Click on the "Ego ERP Archiver.exe" to open up the program tool.
Next You have to click "File" and choose "Open" inside the Ego ERP Archiver program.
Navigate to the "F1 2021\2021_asset_groups\f1_2021_vehicle_package\teams\myteam_ferrari\wep folder".
Then choose the "myteam_ferrari.erp" file.
Once it's open you'll notice four tabs:
All Resources 2345 (random number), Pkg Files 8 (random number), Textures 414 (random number), XML Files 1 (random number)
Click on the "Pkg Files 8" tab and select (highlight) the "myteam_ferrari-carmodel!!!temp000.layer" file and then click on the "Pkg Files" at the top of the menu and choose "Import" then choose "myteam_farrari-carmodel!!!temp000.layer.json" from the "MYTEAM V10" folder that you downloaded in this mod.
It should import the .json file and replace the old one.
NEXT: Click on the "XML Files 1" tab and select (highlight) the "myteam_farrari!!!temp000.vtf" file and then click on the "Xml Files" at the top of the menu and choose "Import" then choose "myteam_ferrari!!!temp000.vtf.xml" from the "MYTEAM V10" folder that you downloaded in this mod.
It should import the .xml file and replace the old one.
FINALLY: DO NOT FORGET TO CHOOSE "FILE" THEN "SAVE" OR PRESS "CTRL (CONTROL) + S" ON THE KEYBOARD!!
DO NOTE FORGET TO PLACE THE "classic_v10.bdl" FILE IN THE "F1 2021\audio\2021\bundles" FOLDER!
You're welcome!