How do you use Minecraft addons in Java?

How do you use Minecraft addons in Java?
Windows 10/11

Step 1: Download addons compatible with the version of Minecraft installed.
Step 2: Launch the downloaded file.
Step 1: Download MC Addons Manager from the store.
Step 2: Download the addons from a trusted source.
Step 3: Launch the MC Addons Manager and click on the import option in the top right.

Windows 10/11
  1. Step 1: Download addons compatible with the version of Minecraft installed.
  2. Step 2: Launch the downloaded file.
  3. Step 1: Download MC Addons Manager from the store.
  4. Step 2: Download the addons from a trusted source.
  5. Step 3: Launch the MC Addons Manager and click on the import option in the top right.