Once you've downloaded the image file for your skin (it's typically in .PNG format), head to Minecraft.net and log in to your account. Under the image labeled for Java Edition, click on the link ...

If you're playing on Java Edition, though, you'll need to take an extra step, which involves downloading the file for a created skin, a process that can be a bit complicated.

New skin tab in the launcher (Image via Sportskeeda) Click browse and search through the files to find the downloaded skin and add it to the launcher. Finally, press save and apply.