Twmk22web72.part2.rar

Use a program like 7-Zip (free) or WinRAR .

Right-click the .part1.rar file and select "Extract Here" (or similar). The program will automatically combine the parts and extract the content. TWMK22WEB72.part2.rar

Ensure you have part1 through the final part in the same folder. Use a program like 7-Zip (free) or WinRAR