How to fix Tlauncher skin issue

disable TLauncher's builtin skins feature

To disable it, go under "Accounts settings" and uncheck the box as shown on the screenshot!

Then upload the skin to the LKSMP website

You can easily change in-game skin through the LKSMP website

Follow the steps:

• Go to the skin changing web page at https://lksmp.fun/skin
  
• Log in with your LKSMP account
  
• Upload skin
  

If the skin does not change, try to reconnect