Here is a quick overview of the steps you might take to install Microsoft Office SharePoint Server 2007 in a single server farm environment.
Verify Prerequisites Microsoft Office Server System Requirements
Begin Installation
Set Up Wizard: Product Key, Agree to Terms
Set Up Wizard: Installation Type = Advanced
Set Up Wizard: Server Type = Complete
Installation Complete
Begin Configuration Wizard
Configuration Wizard: Connect to a Server Farm = No, I want to create a new server farm
Configuration Wizard: Database Settings
Configuration Wizard: Configure Security Settings = NTLM
Configuration Wizard: Confirmation
Configuration Wizard Complete
Begin Central Admin
Central Admin > Operations > Services on Server > WSS Search Settings: Set Service Account, Set Content Access Account
Central Admin > Operations > Services on Server: Start MOSS Search Service
Central Admin > Operations > Services on Server > MOSS Search Settings: Query and Indexing:
Check Use this server for indexing content
Check Use this server for serving search queries
Set Farm Search Service Account
Central Admin > Application Management > Create or Extend Web Application: Create a new Web application
Start > Run > CMD: iisreset /noforce
Central Admin > Application Management > Create or configure this farm's shared services: New SSP
Central Admin > Application Management > Manage this Farm's Shared Services > SSP Name: Create a new Web application
Central Admin > Application Management > Manage this Farm's Shared Services > My Site Location: Create a new Web application
Central Admin > Application Management > Manage this Farm's Shared Services: Verify Farm's Shared Services
Central Admin > Application Management > Create Site Collection (Collaboration Portal Template)
Central Admin Complete