EasyDriveIcon

How to use

1. Download - here
2. Program requires admin perms, because it edits registry, so check your rights
3. Open downloaded executable
4. Select drive letter
5. Select path to icon (only .ico files, use converter if it necessary)
6. Click Update icon
7. Open explorer on This PC page (or refresh it). Drive icon will be changed
8. To reset, click Reset icon

Guide in screenshots

Click on hyperlink above to download program:

And save it anywhere:

Open (it needs admin perms confirmation from UAC):

Program looks like on screenshot below:

Click on ... and select .ico file (I was used old Discord icon):

Then click Update icon:

Open explorer on This PC page (or refresh it). Now my C drive is Discord!

You can reset it in any time by clicking Reset icon:

And now my C drive has standard icon given by Windows: