1. Install using flstudio_win64_24.2.1.4526.exe
2. Copy and paste all files of 24.2.1.4526_WD into C:\Program Files\Image-Line\FL Studio 2024
3. Open FL Studio_24.2_reg_key.reg and click ok
4. Go into C:\Program Files\Image-Line\FL Studio 2024 and open FL64.exe
5. Click on unlock with file, more, save validation file and save it into C:\Program Files\Image-Line\FL Studio 2024 then close FL Studio
6. Open the licensevalidation.txt and copy it's content
7. Open with admin ID Patcher.exe and paste the content here and click patch
8. Reopen FL Studio and click on Unlock with file, more, and chose FL Studio_24.2_reg_key.reg file then click restart without saving. It should work.

FLEX INSTALLATION HERE

@edmsamplepack