Step 1: Download the game.
And many other resourses. BEWARE: If someone offers you a new upgrade to the game, DO NOT TRUST THEM. There is a virus on the loose, but don't worry. The two links above are virus-free.
Step 2: Once you have downloaded the file, unzip it to a folder of your desire.
Step 3: Activate the installation icon in the folder where you unzipped the Continuum.zip
Step 4: Install to a desired folder.
Step 5: Open Continuum.exe
Congradulations! You have just successfully installed Subspace/Continuum!