Select to unpack files in the current folder, or "Extract to SPECIAL1210_PACK3/" to keep them in a new folder.
Check for : If there is an .exe or .bat file, run it only if you trust the source. SPECIAL1210_PACK3.rar
Look for : If this is a mod or asset pack, files usually go into a specific "Plugins" or "Data" folder of the target software. Select to unpack files in the current folder,
Enter a if prompted (this is common for packs found on forums or asset sites). 3. Organize the Contents SPECIAL1210_PACK3.rar