Microsoft Office(18 editions)
(8 versions)
Questions about installation? Let us help you – free of charge.
Daniel is happy to help
Mon–Fri 08 – 18
Windows(12 Total)
Questions about installation? Let us help you - free of charge.
Daniel is happy to help
Mon-Fri 8am - 6pm
Keywi sells new and used software licenses. Legal, verified, with real support. No AI chatbot. No call center. Real technicians who stay on it until everything runs.
// It can definitely be done better
You buy a Windows or Office key online. The email with the key arrives. And then? Activation fails. Wrong edition. Support replies with copy-paste boilerplate. Or not at all.
We know the feeling. Not from hearsay, but from our own experience. And at some point it was clear: this can be done better.
Keywi doesn't optimize for volume. Every license is verified, every key tested. And if something does go wrong, someone is there. Personally. Not within 24 hours, but usually within minutes.
// Small team. Short paths. Clear answers.
No one on our support team reads off a script. Our people build their own computers, know the Windows registry and understand why an Office key sometimes needs a phone activation code.
We stay on it. Not until the next shift, but until it runs. And if you get stuck, we connect to your computer via TeamViewer and solve the problem directly.
We help you free of charge for 90 days with the installation and setup of your software.
Gladly using whichever chat program you prefer to work with.
TeamViewer access: Only with your explicit consent. No access without your approval, no recording, no data transfer. You can see what's happening at all times and can end the connection immediately.
// Rich in experience
Keywi has existed since 2024. But our team has been solving activation problems for years, advising on licensing questions and knowing the typical pitfalls of Windows and Office installations.
Instead of advertising with big numbers, we'd rather show how we work. Here are a few typical cases from our support:
// Problem
01Office 2021 Professional Plus was ordered, but the Standard edition was installed. Activation failed with error 0xC004F069.
// Keywi solution
Uninstalled the Standard version, installed the correct Pro Plus edition. Carried out the activation together via TeamViewer.
12 min · Chat + TeamViewer// Problem
02Windows 10 Pro upgrade from Home failed. Error 0x803fa067 – "This product key does not work." The customer was at a loss.
// Keywi solution
Cleaned up the Home edition's registry entries, set up the upgrade path correctly. The key was activated successfully.
15 min · TeamViewer// Problem
03The customer had ordered 5 Office licenses for their office. On 2 computers the message "Activation limit reached" appeared.
// Keywi solution
Resolved the old device assignment via the Microsoft account. Performed phone activation for both computers – all 5 licenses are running.
20 min · Phone + TeamViewer// Problem
04Error 0xC004F213 after a motherboard swap. Windows 11 Pro could no longer be activated. "Is my key gone now?"
// Keywi solution
Phone activation via slui 4. The key was fine, it just needed to be re-bound to the hardware.
8 min · Phone + email// No fine print, no maybe.
We asked ourselves: how can we make buying software as simple as possible?
Your key works. If not, we solve the problem or you get your money back. No questions asked.
After your purchase you get 90 days of free technical support. By chat, phone or TeamViewer.
We can't find a solution? Then you get the full purchase price refunded. It's that simple.
Every license comes with a proper invoice. If needed, we provide the complete proof of origin for your audit.
Your key arrives by email, usually within minutes of payment. No waiting, no shipping.
Additional protection up to €4,000 via Trusted Shops. Independent of us, according to their terms.
// Transparent, verifiable
Companies buy software licenses in large quantities. And sometimes they no longer need them. Insolvencies, system changes, surplus stock. These licenses end up with us.
Reselling is legal. The European Court of Justice clarified this in 2012 (ECJ, Ref. C-128/11). Once a license has been lawfully sold, it may be resold. The software is identical: same range of features, same updates.
01
Purchasing
Exclusively from verified sources: insolvencies, business closures, surplus stock.
02
Inspection
Origin documented internally, license type and edition verified. Every key automatically checked for activatability, not just spot checks.
03
Sale
A working key, a VAT invoice and, on request, an additional proof of supply.
// Audit-proof, scalable, without licensing headaches.
You're an IT admin or buyer and need 50 Office licenses? Then you know the game: budget is tight, but the key has to be clean. No CFO wants to explain in a Microsoft audit where the licenses came from.
With us you get a legally valid proof of purchase for every license and, on request*, the complete supply chain. We advise on complex licensing and offer volume discounts from 2 licenses.
// What our customers say about us
// FAQ
Der Handel mit gebrauchten Software-Lizenzen ist in der EU vollständig legal. Der Europäische Gerichtshof hat in seinem wegweisenden Urteil vom 03.07.2012 (Az. C-128/11) eindeutig festgestellt, dass Software-Lizenzen weiterverkauft werden dürfen. Das Erschöpfungsprinzip gilt auch für digital erworbene Lizenzen. Auch das Schweizer Urheberrechtsgesetz (Art. 12 Abs. 2 URG) erlaubt den Weiterverkauf rechtmässig erworbener Software. Als Käufer erhalten Sie eine ordentliche MwSt-Rechnung als Kaufnachweis – auf Anfrage liefern wir zusätzlich eine vollständige Kaufdokumentation für Ihre Compliance-Abteilung oder den Auditfall.
Nein. Pre-Owned Lizenzen sind funktional identisch mit Neulizenzen. Sie erhalten denselben Funktionsumfang, dieselben Updates und dieselben Sicherheitspatches. Der einzige Unterschied ist der Preis – Sie sparen erheblich.
Unsere Lizenzen stammen aus verifizierten europäischen Quellen: Insolvenzen, Betriebsauflösungen und Lizenzbeständen aus Systemwechseln. Jede Lizenz wird vor dem Verkauf dokumentiert geprüft – Herkunft, Lizenztyp, Edition und Aktivierbarkeit werden verifiziert.
Microsoft bietet für alle gültigen Lizenzen technischen Support an, unabhängig davon, ob die Lizenz neu oder gebraucht erworben wurde. Zusätzlich unterstützen wir Sie 90 Tage lang kostenlos bei Installation, Aktivierung und Einrichtung – per Chat, Telefon oder TeamViewer.
Bei einem Microsoft-Audit sind Sie mit unseren Lizenzen auf der sicheren Seite. Sie erhalten standardmässig eine MwSt-Rechnung als Kaufnachweis. Auf explizite Anforderung liefern wir zusätzlich eine vollständige Bezugskette mit Übertragungs-Dokumentation. Ihre Compliance-Abteilung kann diese Unterlagen jederzeit prüfen.
// Questions? We're here.
