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Windows 7 Product Editions: A Comparison
Networking features
| Home Basic | Starter | Home Premium | Professional | Enterprise & Ultimate | |
| SMB connections | 20 | 20 | 20 | 20 | 20 |
| Network and Sharing Center | Yes | Yes | Yes | Yes | Yes |
| HomeGroup sharing | Join only | Join only | Yes | Yes | Yes |
| Ad-hoc network create and join | Yes | Yes, but accessible only via Start Menu Search | Yes | Yes | Yes |
| Improved power management | Yes | Yes | Yes | Yes | Yes |
| Connect to a Projector | Yes | Yes | Yes | Yes | Yes |
| Remote Desktop | Yes | Yes | Yes | Yes | Yes |
| Remote Desktop Host | Yes | Yes | |||
| IIS Web Server | Yes | Yes | Yes | ||
| RSS support | Yes | Yes | Yes | Yes | Yes |
| Internet Connection Sharing | Yes | Yes | Yes | Yes | |
| Network Bridge | Yes | Yes | Yes | Yes | |
| Offline files | Yes | Yes |
Performance features
| Home Basic | Starter | Home Premium | Professional | Enterprise & Ultimate | |
| Windows ReadyDrive | Yes | Yes | Yes | Yes | Yes |
| Windows ReadyBoost | Yes | Yes | Yes | Yes | Yes |
| SuperFetch | Yes | Yes | Yes | Yes | Yes |
| 64-bit processor support | No | No | Yes | Yes | Yes |
| Physical processor support | 1 | 1 | 1 | 2 | 2 |
| Processor core support | Unlimited | Unlimited | Unlimited | Unlimited | Unlimited |
| Max RAM (32-bit) | 4 GB | 4 GB | 4 GB | 4 GB | 4 GB |
| Max RAM (64-bit) | n/a | n/a | 16 GB | 192 GB | 192 GB |
Enterprise features
| Home Basic | Starter | Home Premium | Professional | Enterprise & Ultimate | |
| Domain join (Windows Server) | Yes | Yes | |||
| XP Mode licensed | Yes | Yes | |||
| AppLocker | Yes | ||||
| Boot from VHD | Yes | ||||
| BranchCache | Yes | ||||
| DirectAccess | Yes | ||||
| Federated Search (Enterprise Search Scopes) | Yes | ||||
| Multilingual User Interface (MUI) Language Packs | Yes | ||||
| Location-aware printing | Yes | Yes | |||
| Subsystem for UNIX-based Applications | Yes |
Reliability features
| Home Basic | Starter | Home Premium | Professional | Enterprise & Ultimate | |
| Windows Backup | Yes | Yes | Yes | Yes | Yes |
| System image | Yes | Yes | Yes | Yes | Yes |
| Problem Steps Recorder | Yes | Yes | Yes | Yes | Yes |
| Backup to network | Yes | Yes | |||
| Encrypting File System (EFS) | Yes | Yes | |||
| BitLocker | Yes | ||||
| BitLocker To Go | Yes | ||||
| Automatic hard disk defragmentation | Yes | Yes | Yes | Yes | Yes |
| Previous Versions | Yes | Yes | Yes | Yes | Yes |
| Create and attach (mount) VHD | Yes | Yes | Yes | Yes | Yes |
Security features
| Home Basic | Starter | Home Premium | Professional | Enterprise & Ultimate | |
| More granular UAC | Yes | Yes | Yes | Yes | Yes |
| Action Center | Yes | Yes | Yes | Yes | Yes |
| Windows Defender | Yes | Yes | Yes | Yes | Yes |
| Windows Firewall | Yes | Yes | Yes | Yes | Yes |
| IE 8 Protected Mode and DEP support | Yes | Yes | Yes | Yes | Yes |
| Windows Update (can access Microsoft Update) | Yes | Yes | Yes | Yes | Yes |
| Fast User Switching | Yes | Yes | Yes | Yes | |
| Parental Controls | Yes | Yes | Yes | Yes | Yes |