System requirements | Older versions of Adobe Photoshop Lightroom

• Intel Pentium or AMD Athlon 64 processor*
• Microsoft Windows 7 with Service Pack 1, Windows 8, or Windows 8.1
• 2 GB of RAM (8 GB recommended)
• 2 GB of available hard-disk space; additional free space required during installation (cannot install on removable flash storage devices)
• 1024 x 768 display
• DirectX 10-capable or later video adapter
• Internet connection and registration are necessary for required software activation, membership validation, and access to online services.†

• Multicore Intel processor with 64-bit support
• Mac OS X Server v10.7, v10.8, v10.9, or v10.10
• 2 GB of RAM (8 GB recommended)
• 2 GB of available hard-disk space; additional free space required during installation (cannot install on a volume that uses a case-sensitive file system or on removable flash storage devices)
• 1024 x 768 display
• Internet connection and registration are necessary for required software activation, membership validation, and access to online services.†

* Dual-core processor recommended for HD or AVCHD video functionality.

† NOTICE TO USERS: Internet connection, Adobe ID, and acceptance of license agreement required to activate and use this product. This product may integrate with or allow access to certain Adobe or third-party hosted online services. Adobe services are available only to users 13 and older and require agreement to additional terms of use and the Adobe Privacy Policy. Applications and services may not be available in all countries or languages and may be subject to change or discontinuation without notice. Additional fees or membership charges may apply.

Photoshop Lightroom 5 is available in the following languages:

• Intel® Pentium® 4 or AMD Athlon® 64 processor
• Microsoft® Windows Vista® or Windows® 7 with Service Pack 1 or Windows 8
• 2 GB of RAM
• 1 GB of available hard-disk space
• 1024 x 768 display
• Internet connection required for Internet-based services*

• Multicore Intel processor with 64-bit support
• Mac OS X v10.6.8, v10.7, or v10.8
• 2 GB of RAM
• 1 GB of available hard-disk space
• 1024 x 768 display
• Internet connection required for Internet-based services*

* This product may integrate with or allow access to certain Adobe or third-party hosted online services ("Online Services"). Online Services are available only to users 13 and older and require agreement to additional terms of use and Adobe's online privacy policy. Online Services are not available in all countries or languages, may require user registration, and may be discontinued or modified in whole or in part without notice. Additional fees or subscription charges may apply.

• Intel® Pentium 4 processor or equivalent
• Microsoft® Windows® XP with Service Pack 3, Windows Vista® Home Premium, Business, Ultimate, or Enterprise (32 bit and 64 bit) or Windows 7 (32 bit and 64 bit) 
• 2 GB of RAM
• 1 GB of available hard-disk space
• 1024 x 768 monitor resolution
• CD-ROM drive

• Intel processor
• Mac OS X 10.5, or Mac OS X 10.6
• 2 GB of RAM
• 1 GB of available hard-disk space
• 1024 x 768 or higher monitor resolution supporting 24 bit (16 million) or more colors
• CD-ROM drive

• Intel® Pentium 4 processor
• Microsoft® Windows® XP with Service Pack 2 or Windows Vista® Home Premium, Business, Ultimate, Enterprise Edition or 64-bit editions, or Windows 7
• 1 GB of RAM
• 1 GB of available hard-disk space
• 1024 x 768 monitor resolution
• CD-ROM drive

• PowerPC® G4, G5, or Intel processor
• Mac OS X 10.4, Mac OS X 10.5, or Mac OS X 10.6
• 1 GB of RAM
• 1 GB of available hard-disk space
• 1024 x 768 or higher monitor resolution supporting 24 bit (16 million) or more colors
• CD-ROM drive

• Intel Pentium 4 processor
• Microsoft Windows XP with Service Pack 2 or Windows Vista Home Premium, Business, Ultimate, or Enterprise
• 768 MB of RAM (1 GB recommended)
• 1 GB of available hard-disk space
• 1024 x 768 monitor resolution
• CD-ROM drive

• PowerPC G4 or G5 or Intel processor
• Mac OS X v10.4-10.5
• 768 MB of RAM (1 GB recommended)
• 1 GB of available hard-disk space
• 1024 x 768 monitor resolution
• CD-ROM drive