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I can't edit my post with a guide, so I'll just reply it to you here.
I'm doing this from memory, so excuse any potential shortcomings of visual explanations:
- Download NVIDIA Profile Inspector. It's on GitHub
here. If you're new to GitHub, click on "Releases" on the right side, and download the .zip from the "Assets" section.
- Once you're in, there should be a dropdown menu in the top left with "Profiles:" written to the left of it. Click the menu, and find Indiana Jones and The Great Circle. It's a loooong list of profiles, but you can just search for it.
- When the profile is selected, you will need to extract the profile, so you can edit it. Click on the extract button marked by a drive icon with a green arrow pointing up. You should get a prompt here IIRC, where you'll select something sounding like "Extract current profile". This will save a .nip file we can edit.
- Next up is to insert the specific APPID for Indiana Jones to the .nip file. Open the .nip you extracted with something like NotePad++. You'll see something like this:
-<ArrayOfProfile>
-<Profile>
-<ProfileName>
-<Executables>
- Beneath the Executables-section, you'll find the strings that will activate the profile/driver optimisation.
-Insert this under next bit under <Executeables>:
<string>BethesdaSoftworks.ProjectRelic_3275kfvn8vcwc</string>
- You should have a string with TheGreatCircle.exe, Platinum.exe and this new APPID. You DON'T need to type .exe by the end of the APPID.
- Save your file. Open NVIDIA Profile Inspector again, then click the drive icon with an arrow pointing DOWNWARDS. Then import. I can't remember if there is a prompt here, but if there is, select to replace CURRENT profile.
- Click "Apply changes" in the top-right, and you should be good.
I have no idea if the APPID can change from region to region, or for other reasons, but in case this fix doesn't seem to cover you, then the APPID should be found under AppData/Local/Packages, and the folder name will start with "BethesdaSoftworks.ProjectRelic".
This guide was entirely too long. Let me know if I'm a dummy myself.