Open it with Notepad (or any text editor). You will likely see options like:
A: Download free skins from sites like NameMC (choose a skin, click Download as .png). Save it to your desktop, then update the config file path. file name tlskinandcapemodforge1122jar
A: Many skin mods include bytecode injection to override Minecraft’s EntityPlayer class. Antiviruses see this as suspicious behavior. Upload the file to VirusTotal; if only 1–2 generic heuristics trigger, it is likely a false positive. If “Trojan.Generic” or “Malware.AI” appears, delete it. Open it with Notepad (or any text editor)