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 ...

You'll need a Microsoft account to download Minecraft but that's no sweat to do. Choosing between the two versions, Java and ...

First, launch up Minecraft Java Edition via the Minecraft Launcher. Once you’ve done this, locate the Installations tab at the top. Click this to open a different panel.