InsaneSodar

Esurient's RTX Patch
Included: Custom Compile DXVK | Custom Steam Overlay API | Custom Nvidia Inspector Profile (NIP)
DXVK Compile Version: 1.8.1
Overview:
This archive includes an up to date version of DXVK (at the time of posting) which has been tested with and without the custom Nvidia inspector profile. DXVK has been compiled from the GitHub source but optimised/altered to work better with TDU2 in terms of offering stability, this is also the aim of the custom Nvidia inspector profile as well as any other items which may be included in this thread, now included Steam Overlay Patch for RTX!
What's Included
Included in the archive are four folders, "nip Profile - Run Application", "DLLs - Paste Into TestDriveUnlimited2", "Disable Full Screen Optimisation" and "4GB Patch - Select TestDrive2.exe"
(Note: If you are afraid to run this exe, you can download it yourself via Google or use VirusTotal to scan the Archive)
Installation
Text Video Archived
Note: Performance may vary on different systems, modifications were tested on a 2070 Super.

Manually download and install the latest official patch for Test Drive Unlimited 2 using this link.  The official TDU2 patch server is no longer available.
Installation:
Copy and paste contents to your TDU2 directory and overwrite.

Introducing the first Community Multiplayer Server for Test Drive Unlimited 2!
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Important Notice
TDU World DOES NOT support unpacked/cracked/modified editions of Test Drive Unlimited 2!
We are aware there are no longer CD Keys for TDU2 at a reasonable price given the "abandonware" situation.
A clean copy of the original DVD installation can be found on Internet Archives here:
https://archive.org/details/tdu2-multi5-dvd

If you do not have a CD Key, or can't find a working one online, you can use 80_PA to "fake activate" TDU2.
The latest download can be found here, you need the 7Z release.
https://github.com/Blaukovitch/80_PA/releases
In order to use 80_PA, simply open TDU2, when asked for activation enter "1234-1234-1234-1234" then when prompted for invalid key, click offline activation.
Launch 80_PA.exe in the zip and paste the "Unlock Request Code" into 80_PA.
Click Generate Unlock Code. Copy/Paste the Unlock Code into the TDU Activation Window, then play as normal.
NO mods other than the ones provided via our Launcher are supported.
Let us know if you'd like to see a mod come to TDU World and we'll see about making it happen!
 
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Current features

TDU World Mod Pack
Bug fixes including those from Unofficial Patch + new ones
A curation of the best vehicles with more coming in future updates
Language Updates to reflect Online Server Mod + Support for all official languages
 Optional Graphics Mods: GPS, Orthophoto/Seasons Packs

TDU World Online
Free Roam across Ibiza + Hawaii
Includes Instant Challenges, Online Police Chases, Vehicle Livery Syncing + In Game Chat (Text + Voice)

Public and Private Multiplayer Racing (including Matchmaking)
Internal Club Racing (Club Member Exclusive races/PVP events)
Friends (Search by player name and adding recent players)
Join/Invites for Free-Ride, and Indoor areas (Casino Excluded)
DLC Support emulates the experience of buying the DLC In Game using Tokens (Free)
Unlocks exclusive avatar clothing for some DLC vehicles

TDU2: Casino Online:
Slot Machines (All Types)
Roulette (All Types)
Time Attacks: Audi R8

Club Houses:
Create + Join Clubs

Leaderboards:
Leaderboards enabled for Single, Multiplayer and other special events.

Moderation:
Reporting Players In Game
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Features coming soon

Official Race Center (With weekly challenges!)
Community Race Center (With anti-cheat and moderation)

Club VS Club events + full Club statistics/leaderboards

Casino: Sit + Go Poker, VIP Poker Tournaments
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Known issues
Map may occasionally cause hard crashes.
This is an issue with new DirectX 12 GPUs and can be resolved by installing DGVoodoo via the Launcher.
 
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How to install
Step 1: Installing TDU2
Perform a clean, standard install of Test Drive Unlimited 2 either from Steam or DVD/Digital Download
You must use a completely clean download if you do not have the Steam or DVD Edition. Repacked/Cracked editions are NOT supported!
 
Step 2: Preparing TDU2
Before you install TDU World, please run the original UpLauncher.exe at least once.
You do not need to start the game with the original launcher unless you want to make sure your game is installed properly.
Failure to do so will result in TDU World failing to find your game!
Make sure you have a text file named "key" in the game directory. Without this, you will not be able to access TDU World!
If the key.txt file does not exist in your directory, create the text file yourself and paste your CD key inside.
Note: The CD Key is NOT your Steam Key! Steam will give you a separate CD Key. Right click the game in your Library, select Manage, then CD Keys.

 
Step 3: Installing TDU World
If you haven't already, go to TDUWorld.com & register an account by clicking "Register" and activating your account.
You must use a legitimate E-mail address!
Inactivated accounts are not allowed online.
Once you've registered and activated your TDU World Account, click the Download button on this page to download TDU World.
Run the installer, It will automatically find TDU2 as long as you have a supported version installed.
Optional: Tick the Shortcut box to put a cool TDU World Shortcut on your Desktop or in your Start Menu to easily play TDU World.
The Installer will then ask you if you wish to proceed installing TDU World. Press "Yes" to proceed.

When you first load TDU World you will be required to download and install the TDU World Base Pack,
as well as the latest version of the game if you haven't already got an up to date version of TDU2.
You can also find other mods available using the Mod Manager.
Open the game and register a new account using your TDU World credentials.
(Nickname = Profile Name, TDU World Account = TDU World Username, Password = TDU World Account Password)
Congratulations, you can now play online! Have fun!
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Credits
Founder
xXBeefyDjXx
Project Managers
Xarlith
xXBeefyDjXx
Mod Pack Developers
Xarlith
Server Developers
xXBeefyDjXx
and formerly
MeFisto94
Redd
Kuxii
Website Developers
xXBeefyDjXx
Esurient
Design
Esurient
and formerly
Aquarious
Special thanks to
Atari
Eden Games
TurboDuck.net
TDU2 fans all over the world!

Use this tool if you have Windows 64-bit (x64) and wish to patch your older 32-bit (x86) game executables (*.exe files).
This is particularly useful for large and/or modified games that you feel are randomly crashing due to a lack of system memory (RAM).  This has proven to be particularly useful for the Test Drive Unlimited games.
 
Original credit:  https://ntcore.com/?page_id=371