How to create a .reg file (single parameter) for Windows 10 according to the description?

Question

Windows

Description of the value to add in the .reg file:
In the HKEY_CURRENT_USER\Control Panel\Desktop branch, create a new 32-bit DWORD value named JPEGImportQuality with a value of 100 (decimal)

Answer 1

Create the parameter manually (in the editor).
Then export the branch.
In the finished file, you can once again correct or delete what you need.