Download Details

Version: 1.1.0 (latest)
File size: 66.61 MB
License: Free
Security scan: VirusTotal: 42 of 42 engines say OK (0 flagged)
SHA-256 checksum: b45d35f028e6cc5291d68259180e8ffe257483c2aea04f3cbe0293c0974b5cb0
Developer: DeepSeek
Supported OS: Windows 11, Windows 10
Installers: 64-bit (x64), 32-bit (x86), Offline
Downloads: 16251
Rating: 4.8 out of 5 · 81 reviews
File name(s): DeepSeek.Desktop_1.1.0_x64-setup.exe

Reviewed by Ahmed Madbouli
Tested on Windows 11 and 10 · November 13, 2026 · How we review

Screenshots

Pick DeepSeek if you want a free assistant for coding, math and study questions on a Windows PC.

Its standout is DeepThink, which prints the reasoning steps before the final answer so you can check the logic.

This page covers the Windows 10 and 11 installer, mainly for 64-bit PCs.

The catch: the chat needs internet and an account, and your prompts go to remote servers. Keep confidential material out of it.

What is DeepSeek?

DeepSeek is a Chinese AI lab, founded in 2023, and also the name of its chat assistant.

The chat is free and runs on the lab’s own language models. The lab also publishes open-weight models that developers can run on their own hardware.

DeepThink: reasoning shown before the answer

Switch on DeepThink and the assistant writes out its reasoning chain first, then gives the final answer. That helps with math, logic puzzles and multi-step problems where you want to see how it got there.

The cost is speed, because reasoning replies take longer than normal ones.

Tip: leave DeepThink off for quick rewrites and summaries, and turn it on for problems with several steps.

Pasting an error together with the code

Code help is a common reason to pick it. Paste a function, ask why it fails and you get a corrected version with an explanation.

It still makes mistakes, so run anything it writes before you trust it.

Tip: include the exact error message with the code. Answers get far more accurate than with a vague description.

Search mode for facts newer than the model

The chat can search the web, which helps when you need current facts instead of what the model already knows.

Check the sources it cites before relying on a figure, since any assistant can state wrong numbers with confidence.

Attaching files for text extraction

You can attach files and ask questions about their text, such as summarizing a report or pulling out key figures.

Upload limits and supported formats change over time, so check the attachment menu in the app.

Cloud chat on your PC or open models run locally

The chat uses DeepSeek’s servers, so you need a connection and every prompt is sent to them.

For fully offline use, run the open models locally with a tool such as Ollama or LM Studio.

Smaller distilled models run on an ordinary PC with enough RAM. The full-size model needs server-class hardware.

Where your prompts end up

DeepSeek’s privacy policy says personal data is stored on servers in China. Several regulators and companies have limited its use for that reason.

Deleting a chat in the app does not guarantee it is gone from the servers, because the policy makes no firm promise about that.

Avoid pasting passwords, client data, medical records or anything covered by an NDA.

Is DeepSeek safe to install on Windows?

The installer on this page was checked with VirusTotal and came back clean.

A clean scan covers the file, not the privacy question above, so decide separately what you share with the chat.

Skip it if uptime or confidentiality is non-negotiable

If your work involves confidential or regulated data and a hosted service is off the table, pick a local model or another tool.

The same goes for deadlines that need guaranteed uptime, since busy-server errors are a known annoyance at peak times.

The hosted chat also declines or softens some politically sensitive topics, which matters for research on those subjects.

How to Download & Install

Click the download button at the top of this page to get a Windows setup file (an EXE installer) for DeepSeek.

Step 1: Press the download button above and let your browser save the setup file, usually into Downloads.

Step 2: Open the installer by double-clicking it. If Windows asks for permission to make changes, check the publisher name and choose Yes.

Step 3: On the welcome screen, read the intro and click Next.

Install DeepSeek Welcome Screen Press Next

Step 4: On the install location screen, keep the default folder or pick another drive if space is short, then click Next.

Install DeepSeek Choose Install Location Press Next

Step 5: Wait while the installer copies the files. The progress screen closes on its own when it is done.

Step 6: When the install complete screen appears, click Next.

Install DeepSeek Install Complete Press Next

Step 7: On the last screen, tick the desktop shortcut option if you want one, then click Finish.

Install DeepSeek Tick Run Desktop Shortcut Press Finish

Step 8: Launch DeepSeek from the desktop shortcut or the Start menu. If a screen says Node.js is required, install Node.js as it prompts, then open DeepSeek again.

Install DeepSeek Node.JS Required Download it

Step 9: Sign in with your account to start chatting.

Which installer you get

There is one main installer, and it targets 64-bit Windows in most cases. No separate portable package is listed for this page.

DeepSeek’s own official products are its web chat and mobile apps, and the developer does not clearly list a desktop installer. If you want the developer’s own release, use the web chat instead.

System requirements

Windows 10 or Windows 11
64-bit PC (the main installer)
Node.js, which the app asks for on first launch if it is missing
Internet connection and an account for the hosted chat
Much more RAM and a good GPU if you plan to run open models locally

How to update

If a newer build is posted on this page, download it and install it over the old one.

Your chat history is tied to your account, not to the PC, and the web version always runs the current release.

Fixes for common problems

Node.js required message: install Node.js when the screen asks for it, then start DeepSeek again.
Windows SmartScreen warning: choose More info, confirm the publisher name, then Run anyway only if it matches what you expect.
Verification code never arrives: check the spam folder, wait a minute and request a new code.
“Server is busy” replies: the hosted service gets overloaded at peak hours, so retry later or turn DeepThink off.

Pros & Cons

What we liked

Free to use
Step-by-step reasoning with DeepThink
Good at coding and math
Open models can run locally

What we didn't like

Prompts are sent to remote servers
Busy-server errors at peak times
Needs internet for hosted chat

Best DeepSeek Alternatives

Claude AI
Anthropic's official Claude desktop app, free to download and chat.
ChatGPT
The original AI assistant, now right on your desktop, ready to help anytime.
Ollama
Run AI language models locally, free, private, no cloud needed.
Microsoft Copilot
Free AI chat assistant with voice, screen help and image creation.

Conclusion

4.8out of 5 · 81 user ratings

Install DeepSeek if you want a capable free assistant for coding, math and study help, and you keep sensitive material out of the chat.

If you want voice conversations and a large ecosystem of add-ons, ChatGPT is the better fit, with a free tier and a paid plan. Gemini suits you better when your work already lives in Google services.

If privacy comes first, run an open model locally with Ollama or LM Studio. It costs nothing but needs a PC with plenty of RAM.

FAQ

Does DeepSeek work offline on Windows?

The hosted chat does not, because it needs an internet connection.

You can run DeepSeek’s open models offline through Ollama or LM Studio if your PC has enough memory.

Does DeepSeek charge for the chat?

No, the chat assistant is free to use. The developer API is billed by usage and is a separate product.

Which DeepSeek models can a normal PC run locally?

Small distilled models run on a typical PC with enough RAM.

The full-size model needs server-class hardware, far beyond a home PC.

Why does DeepSeek say the server is busy?

The hosted service gets overloaded when many people use it at once.

Wait a few minutes and retry, or turn DeepThink off for a lighter request.

Is it safe to paste work documents into DeepSeek?

Not if they are confidential. Prompts are sent to DeepSeek’s servers, which its privacy policy places in China.

Use a local open model for sensitive files.

Does deleting a chat remove it from DeepSeek’s servers?

Not necessarily. You can delete chats in the app, but the privacy policy makes no firm promise about server-side removal.

Does DeepSeek run on Windows 10?

Yes, the installer on this page supports both Windows 10 and Windows 11.

Found a problem with this download? Report an outdated version, broken link, suspicious installer or incorrect information.

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