Installing Office 365 and Office 2013 (Windows and Mac) 1  1. Visit the Office Setup page. 2  2. Enter your Office product key. 3  3. Sign in with your Microsoft Account.  4. Click the Install 1  button. 5. Click .Run to start the installation.  6. Follow the prompts in the 1  installer. 7. Stay online while Office installs.  8. Finish the installation.
It is the county seat of St. Clair County, and the seat of the Roman Catholic Diocese of Belleville, Belleville is the most populated city in the Metro-East region of the St. Louis Metropolitan Area and in Southern Illinois.
It is the eighth-most populated city outside the Chicago Metropolitan Area and the most populated city south of Springfield in the state of Illinois. It is the county seat of St. Clair County, and the seat of the Roman Catholic Diocese of Belleville and the National Shrine of Our Lady of the Snows. Belleville is the most populated city in the Metro-East region of the St. Louis Metropolitan Area and in Southern Illinois.