He will want to stay in a suite, so you should build at least two. You must also have underground parking available for the hotel customers who pay the big bucks. Putting the Suites near an express elevator, and serving the underground parking with the same express elevator is sometimes a good idea. After you have everything in order for the VIP's visit, you will just have to wait. The SimTower Updater can be found on the Maxis BBS or the Maxis FTP site.
People show up in housekeeping, security.
I crashed the game out about 3 times before I found a good place to put the metro. It's been saying that for 10 years now. Rooms with random comments seem to be less happy than non-commented rooms. If the installer warns you of this, simply click the Continue button. This will not affect the performance of the game.