! DISCLAMER ! These files might contain malicious code, run it at your own risk. I heavily recommend you use a secure environment to run these files, like virtual machines. Only run them if you are willing to accept the risks mentioned above. Usage (Windows) Download MultiMC, and install it. Open MultiMC, click on Add Instance at the top. Select Vanilla at the left side, then select 1.0, Note: If this doesn't work for you, check Alphas at the right side, and select a1.0.16 instead. Click on OK. Select the instance you just created. Click on Edit Instance at the right side. Click on Version at the left side. Click on Replace Minecraft.jar at the right side. Select the jar file you downloaded from this page. Click on Launch at the bottom.