Why upgrade?
- • End of security updates (October 2025)
- • Increased risk of cyberattacks
- • Reduced compatibility with new software
- • Microsoft official support ended
A PC not upgraded becomes vulnerable to security flaws.
Windows 10 to Windows 11 Migration
Windows 10 support ends in October 2025. Keep your PC secure and compatible by upgrading now to Windows 11.
Fast on-site service around Saint-Chamassy (Audrix, Le Bugue, Limeuil…).
Windows Migration — all-in-one service
Diagnostic, backup, clean install and optimized configuration
- Compatibility check (TPM 2.0, Secure Boot, CPU)
- Full data backup before migration
- Windows 11 installation + drivers + updates
Our process
- Free diagnostic and compatibility check
- Full data backup
- Windows 11 upgrade or clean install
- Driver and update installation
- Optimization and personalized advice
Hardware requirements
Windows 11 requires TPM 2.0, Secure Boot and a recent CPU (Intel 8th gen / AMD Ryzen 2000+). If your PC is not compatible, we provide alternatives (new hardware or optimized Windows 10).
Eco-friendly & durability
Upgrading extends the lifespan of your PC and helps reduce e-waste. We prioritize reuse and upgrades instead of systematic replacement.
Available options
Simple upgrade
Pros
Keeps your files and software.
Cons
Fast, affordable
Full reinstall
Pros
Fresh system, like new.
Cons
Perfect for slow or infected PCs
New PC + transfer
Pros
Windows 11 installed on recent hardware.
Cons
Maximum performance & durability
Frequently asked questions
We check TPM 2.0, Secure Boot and CPU generation. If not, we provide alternatives.
On average 1.5 to 3 hours depending on the chosen method and PC condition.
Yes, we perform a full backup before any operation to ensure your files are safe.
All-in-one Windows 11 migration
Free diagnostic and free travel within 20 km.
Beyond 20 km: €0.50/km
What they say about Tera24
Johanna Stobbs
★★★★★
21/02/2026
Excellent!
Regine LADEUIL
★★★★★
27/01/2026
I had a problem with my antivirus and the Windows 11 installation. I contacted Tera24. I want to thank Damien for his quick and professional service. The repair was carried out with great care, and hi… Read more
I had a problem with my antivirus and the Windows 11 installation. I contacted Tera24. I want to thank Damien for his quick and professional service. The repair was carried out with great care, and his explanations were clear. I am very satisfied with the service and highly recommend them. I will definitely use their services again if needed. Thank you, Damien.
Corinne et Patrice
★★★★★
27/01/2026
Excellent troubleshooting and detailed explanations. Very quick response. We should meet again as soon as I have a moment for further assistance transferring from an old computer to a laptop. See you… Read more
Excellent troubleshooting and detailed explanations. Very quick response. We should meet again as soon as I have a moment for further assistance transferring from an old computer to a laptop. See you soon. Sincerely,
Helen Hall
★★★★★
05/09/2025
Damien was exceptional from the first contact. We had been struggling with our Samsung Snapdragon laptop that wouldn't connect to a printer. Damien was able to rectify this for us and we are now abl… Read more
Damien was exceptional from the first contact. We had been struggling with our Samsung Snapdragon laptop that wouldn't connect to a printer. Damien was able to rectify this for us and we are now able to print with no issues. Professional, courteous and experienced. Merci Damien, Helen
Axel Descollonge
★★★★★
24/07/2025
Excellent service! I entrusted them with my speaker for repair, and the work was done quickly and perfectly. Very professional, friendly, and attentive. I 100% recommend them for any type of computer … Read more
Excellent service! I entrusted them with my speaker for repair, and the work was done quickly and perfectly. Very professional, friendly, and attentive. I 100% recommend them for any type of computer or audio repair!