Because the 7050 has a pre-generation 8 CPU and Microsoft has decided that only 8th gen and better are compatible. If you run the PC Health Check app available here, you will get a more accurate answer as to the incompatibility of the 7050. This is an MS decision not Dell. Answer from JOcean on dell.com
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Dell
dell.com › home › support home › product support › supported operating systems​
Your OptiPlex 7050 Tower supports these operating systems
Get the list of all the Supported Operating Systems for your Dell OptiPlex 7050 Tower. See how this software supports your OptiPlex 7050 Tower computer’s basic functions.
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Walmart
walmart.com › ip › Restored-Dell-OptiPlex-7050-Micro-Form-Factor-Desktop-Computer-Core-i5-16GB-RAM-1TB-SSD-Windows-11-Refurbished › 2864676236
Restored Dell OptiPlex 7050 Micro Form Factor Desktop Computer Core i5 16GB RAM 1TB SSD Windows 11 (Refurbished) - Walmart.com
Restored Dell OptiPlex 7050 Micro Form Factor Desktop Computer Core i5 16GB RAM 1TB SSD Windows 11 (Refurbished)
Super fast refurbished Dell OptiPlex 7050 Micro Form Factor computer desktop with Intel Core i5 16GB Ram 1TB SSD and fully activated Windows 11. Powerful Dell computer meet your multi-taking needs and increase power, enjoy your bulk storage device! The computer comes with 5G USB WIFI adapter. No network cable needed, always online at high speed and stability, so you can surf the internet no latency. Ready to use straight out of the box. Dell refurbished computers have gone through a thorough and rigorous refurbishing process as well as Quality Control Testing. This computer can be Refurbished
(3.9)
Price   $235.00
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Amazon
amazon.com › Dell-Optiplex-Desktop-Keyboard-Windows › dp › B07Y5PMPDJ
Amazon.com: Dell Optiplex 7050 Micro Desktop, Intel i7, 16GB RAM, 256GB SSD, WiFi, Keyboard and Mouse, Windows 11 Pro (Renewed) : Electronics
Dell Optiplex 7050 Micro Desktop, Intel i7, 16GB RAM, 256GB SSD, WiFi, Keyboard and Mouse · Multitasking is easy with 16 GB of RAM, 256 GB SSD of storage · Windows 11 Pro: Pre-installed with Windows 11 Pro 64-bit, this mini PC is ready to ...
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Dell
dell.com › dell community › desktops › optiplex desktops
Dell Optiplex 7050 MT in windows 11 | DELL Technologies
October 10, 2021 - My 7050 can not upgrade to windows 11. Because processor is not supported ... As with the Microsoft requirements, the 7050 is NOT tested for Win 11 and no Dell drivers for Win 11 will be provided.
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HP Support Community
h30434.www3.hp.com › t5 › Desktop-Hardware-and-Upgrade-Questions › Upgrade-options › td-p › 8253202
Solved: Upgrade options - HP Support Community - 8253202
December 27, 2021 - If you want to upgrade to W11, I can give you two easy ways to bypass the W11 hardware checks. I'm running W11 Pro on a Dell Optiplex 7050 MT business desktop with the same processor as your PC has, and it works fine.
Find elsewhere
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Dell
dell.com › dell community › desktops › optiplex desktops
OptiPlex 7050 Tower CPU Upgrade for Windows 11 | DELL Technologies
April 17, 2025 - You do not need to buy a new computer. You can install Windows 11 to your current system and it will run without problem. For installer, download Windows 11 24H2 ISO, download RUFUS.
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OPC Pros
opcpros.com › products › restored-dell-optiplex-7050-micro-form-factor-desktop-computer-core-i5-16gb-ram-1tb-ssd-windows-11
Restored Dell OptiPlex 7050 Micro Form Factor Desktop Computer Core i5 – OPC Pros
Restored Dell OptiPlex 7050 Micro Form Factor Desktop Computer Core i5 16GB RAM 1TB SSD Windows 11
Specs  Fully restored Dell 7050 Micro computer Windows 11 (Fully Activated) with all the latest updates 2023  Intel Core i5-6600T 2.7GHz  Memory: 16GB Ram DDR4 Storage: 1TB SSD Video: Intel HD Graphics  Audio: Two channel High Definition Audio Integrated 10/100/1000 Network 4 USB 3.0 connectors Microphone Jack (Front) Headphone Jack (Front) 1 Display Ports (Rear) 1 HDMI (Rear)  Box Includes  Computer Tower Power Adapter Wi-Fi Antenna
Price   $299.00
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Dell
dell.com › dell community › desktops › optiplex desktops
Optiplex 7050 Upgradable to for Win 11?? | DELL Technologies
March 25, 2025 - Hello--My 7050 has an i7-7700 processor that presumably is not compatible for Windows 11. The Microsoft website shows that an i7-7800x processor would be compatible (as well as others). ...
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Woot
forums.woot.com › deal chatter › computers
Dell Optiplex 7050 SFF Desktop - Computers - Woot
January 22, 2024 - FYI - 7th gen CPU, so no Windows 11 support. Had these at work… no issues overall. Some CPU fan failures, but $10 to replace and super easy · I’ll second this. Reliable everyday desktop.
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Amazon
amazon.com › Dell-OptiPlex-Computer-i5-7500T-Quad-Core › dp › B094K32H2P
Amazon.com: Dell OptiPlex 7050 Micro Form Factor Desktop Computer, Intel Core i5-7500T Quad-Core Up to 3.3GHz, 16GB DDR4, 512GB Solid State Drive, Windows 11 Pro (Renewed) : Electronics
Amazon.com: Dell OptiPlex 7050 Micro Form Factor Desktop Computer, Intel Core i5-7500T Quad-Core Up to 3.3GHz, 16GB DDR4, 512GB Solid State Drive, Windows 11 Pro (Renewed) : Electronics
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Dell
dell.com › home › support home › drivers & downloads
Support for OptiPlex 7050 Micro | Drivers & Downloads | Dell US
Get drivers and downloads for your OptiPlex 7050 Micro. Download and install the latest drivers, firmware and software for Windows devices.
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AVS Forum
avsforum.com › home › forums › marketplace › htpc computer items
Dell OptiPlex 7050 Micro i7-6700T 32GB RAM 2TB SSD Windows 10 or 11 Pro | AVS Forum
January 17, 2025 - It's in excellent shape with tons of USB3 ports, built in ethernet/Wi-Fi, and support for two monitors with Display Port & HDMI outputs. It will come with a clean install of Windows 10 Pro or Windows 11 Pro (whichever you prefer).
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Microsoft Learn
learn.microsoft.com › en-us › answers › questions › 3910183 › my-dell-system-optiplex-7050-tower-incorporate-win
My Dell system Optiplex 7050 Tower incorporate Windows 11 Pro with legacy TPM 1.2 install. It will not allow any windows updates because of TPM 1.2. How do I change TPM 1.2 to TPM 2.0? - Microsoft Q&A
... This Dell model only has 6th and 7th generation of CPU options, and Dell no longer provides driver support for Win11, so even if you can get TPM to 2.0, it is moot point, because you will not pass the PC health check still and computer may ...
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eBay
ebay.com › electronics › computers/tablets & networking › desktops & all-in-ones › pc desktops & all-in-ones
Windows 11 Dell Optiplex 7050 SFF Intel i5-7500 3.40GHz 16GB DDR4 1TB SSHD | eBay
Windows 11 Dell Optiplex 7050 SFF Intel i5-7500 3.40GHz 16GB DDR4 1TB SSHD
Windows 11 Dell Optiplex 7050 SFF Intel i5-7500 3.40GHz 16GB DDR4 1TB SSHDWindows 11 Dell Optiplex 7050 SFF Intel i5-7500 3.40GHz 16GB DDR4 1TB SSHD
Price   $159.00
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Dell
dell.com › dell community › desktops › optiplex desktops
Optiplex 7050 w/Intel Core i7-7700 (QC/8MB/8T/ 3.6GHz/65W) - NOT compatible with Windows 11? | DELL Technologies
November 10, 2021 - However (you knew there was a caveat) if you do install that way and since your systems are not on the Dell Windows 11 compatible list and you need service down the road, Dell tech support will insist that you reinstall Windows 10 before they ...