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.
Sponsored Topics. Centreville is a city in St. Clair County, Illinois, United States of America. The population was 5,951 at the 2000 census. Centreville is located at 38Â°35â²4â³N 90Â°6â²14â³W / 38.58444Â°N 90.10389Â°W / 38.58444; -90.10389 (38.584583, -90.103768).