--- title: "Retrospect 20 for Mac System Requirements" slug: "retrospect-20-for-mac-system-requirements" status: "update" updated: 2026-09-14T03:32:01Z published: 2026-09-14T03:32:01Z canonical: "docs.retrospect.com/retrospect-20-for-mac-system-requirements" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.retrospect.com/llms.txt > Use this file to discover all available pages before exploring further. # Retrospect 20 for Mac System Requirements ## System Requirements for Retrospect 20 Novus UI - Apple macOS Big Sur 11 - Golden Gate 27 ## System Requirements for Retrospect 20 for Mac Console and Engine #### Supported Operating Systems - Apple macOS Golden Gate 27 - Apple macOS Tahoe 26 - Apple macOS Sequoia 15 - Apple macOS Sonoma / Sonoma Server 14 - Apple macOS Ventura / Ventura Server 13 - Apple macOS Monterey / Monterey Server 12 - Apple macOS Big Sur / Big Sur Server 11 - Apple macOS Catalina / Catalina Server 10.15 - Apple macOS Mojave / Mojave Server 10.14 - Apple macOS High Sierra / High Sierra Server 10.13 - Apple macOS Sierra / Sierra Server 10.12 - Apple OS X El Capitan / El Capitan Server 10.11.6 - Apple OS X Yosemite / Yosemite Server 10.10.5 - Apple OS X Mavericks / Mavericks Server 10.9.5 #### Supported Hardware - Intel processor with one or more multicore processors - Apple Silicon processor with one or more multicore processors #### System Recommendations - Latest Software Update for OS X - 1 GB RAM for each concurrent activity; 4 GB RAM minimum - 10-15 GB of temp hard disk space for each concurrent activity (backup, restore, etc.) - Adequate storage for backups - Meet Apple’s guidelines on RAM requirements for the OS version ## System Requirements for Retrospect 20 Client for Mac #### Supported Operating Systems - Apple macOS Golden Gate 27 - Apple macOS Tahoe 26 - Apple macOS Sequoia 15 - Apple macOS Sonoma / Sonoma Server 14 - Apple macOS Ventura / Ventura Server 13 - Apple macOS Monterey / Monterey Server 12 - Apple macOS Big Sur / Big Sur Server 11 - Apple macOS Catalina / Catalina Server 10.15 - Apple macOS Mojave / Mojave Server 10.14 - Apple macOS High Sierra / High Sierra Server 10.13 - Apple macOS Sierra / Sierra Server 10.12 - Apple OS X El Capitan / El Capitan Server 10.11.6 - Apple OS X Yosemite / Yosemite Server 10.10.5 - Apple OS X Mavericks / Mavericks Server 10.9.5 - Apple OS X Mountain Lion / Mountain Lion Server 10.8.5 (To backup OS X 10.8.5, use Retrospect Client 19.4 with either Windows/Mac Engine 19.4 or Linux Engine 20.0.) #### Supported Hardware - Intel processor with one or more multicore processors - Apple Silicon processor with one or more multicore processors #### System Recommendations - Latest Software Update for OS X - Meet Apple’s guidelines on RAM requirements for the OS version #### Protecting Servers Backing up server OS clients requires Retrospect Multi Server or other Server edition with available Server Client Licenses. ## System Requirements for Retrospect 20 Client for Windows #### Supported Operating Systems - Microsoft Windows 10, 11 - Microsoft Windows XP, Vista, 7, 8 - Microsoft Windows Server 2003, 2008, 2012, 2012 R2, 2016, 2019, 2022, 2025 - Microsoft Windows Server Core 2008 R2, 2012, 2016, 2019, 2022 - Microsoft Windows Server Essentials 2012, 2016 - Microsoft Windows SBS 2003, 2008, 2011 - Microsoft Windows Storage Server 2003, 2008 #### Supported Hardware - Intel processor (64-bit only) with one or more multicore processors - For 32-bit client support, please use Retrospect 18.5.3 engine and client. #### System Recommendations - Latest Service Pack for Windows - Meet Microsoft’s guidelines on RAM requirements for the OS version #### Protecting Servers Backing up server OS clients requires Retrospect Multi Server or other Server edition with available Server Client Licenses. ## System Requirements for Retrospect 19 Client for Linux #### Supported Operating Systems The following Linux distributions are supported on x86 and x64: - CentOS 6.4, 6.5, 7, 7 Update 3 - Red Hat Enterprise Linux 7, 7 Update 3 - Debian 7.6, 8, 9 - Ubuntu Server 14.04, 15, 16, and 17 - SUSE 11 Enterprise Server 11 SP2 and SP3, 11.4, and 12.2 #### Protecting Servers Backing up server OS clients requires Retrospect Multi Server or other Server edition with available Server Client Licenses. **Note**: In a future update, Linux clients running on server-level Linux distributions will be treated as server clients.