A workstation that lags after three years, a file missing in a folder named “New folder (12)”, a system update that occurs at the worst moment: we all know these situations. Modern computing requires understanding a few specific mechanisms to maintain control over your machine, your data, and your security on a daily basis.
End of Windows 10 support: what it really changes on your computer
Since 2025, Microsoft has stopped providing free updates for Windows 10 in its consumer version. In practice, this means that security patches are no longer automatically distributed to users who remain on this OS.
The risk is direct: every vulnerability discovered after the end of support remains open. Browsers and third-party software continue to function for a time, but their publishers eventually abandon compatibility with an obsolete system.
Before migrating to Windows 11, two points should be checked. The first: the processor and the TPM 2.0 chip. If the machine is more than five years old, there is a good chance that the hardware configuration will block the installation.
The second: a complete disk backup, because a failed migration without a backup means lost files with no recourse. To delve deeper into these hardware and software issues, Labo Linux’s computing universe details the available alternatives, including Linux distributions suitable for older machines.
Cybersecurity: three reflexes that really protect your data
Threats evolve quickly. The European regulation on cyber resilience now extends security requirements to software and connected products, with obligations to address vulnerabilities throughout the product lifecycle. This regulatory framework pushes publishers to correct more quickly, but the first line of defense remains the user.
Three concrete actions make a real difference on a daily basis:
- Enable automatic updates for the system and software. An unapplied patch is an open door, even on a recent device.
- Use a password manager instead of the same identifier everywhere. Reusing a compromised password on a minor site grants access to the email box, and then to everything else.
- Encrypt the hard drive or SSD of your laptop. On Windows, BitLocker is integrated into Pro versions. On Linux, LUKS does the job right from installation. A stolen laptop without encryption exposes all your files.
Disk encryption hardly slows down current machines. On an NVMe SSD, the performance difference is imperceptible in everyday use.
Optimizing PC performance without changing hardware
Before buying a new computer, you can regain responsiveness with a few system adjustments. The first lever, often underestimated, is the list of programs that launch at startup.
Startup cleanup on Windows
In the Task Manager (Ctrl + Shift + Esc), the “Startup” tab lists all the software that activates upon startup. Disabling unnecessary programs at startup significantly reduces loading time, especially on machines equipped with a traditional hard drive.
Keep the antivirus and password manager. Disable rarely used software update clients, manufacturer utilities, and cloud sync agents that you don’t use constantly.
Managing disk space and temporary files
A system disk filled to over 90% degrades performance. Windows needs free space for paging and temporary files. The built-in “Disk Cleanup” tool removes temporary files, old system installations, and obsolete caches.
For personal files, a clear hierarchical organization avoids manual searching. One folder per year, one subfolder per project or category: nothing sophisticated, but it saves minutes every day.
Artificial intelligence and European regulation: what concerns everyday users
The European AI Act does not only target large companies. The first prohibitions and the obligation to develop AI mastery within organizations have been in effect since February 2025. The obligations regarding general-purpose AI models have been in effect since August 2025.
For a user or a small structure, this translates into visible changes. Generative AI tools integrated into office suites now display transparency notices. High-risk AI systems (employment, credit, education, biometrics) are subject to requirements postponed to December 2, 2027, according to the European amending regulation.
In the meantime, the AI assistants we use to draft an email, summarize a document, or generate code remain accessible. The prudent approach is not to entrust them with sensitive data (identifiers, confidential documents, health data) without checking the service’s terms of use. Most free versions do not guarantee the confidentiality of queries.
Preventive maintenance: the minimal schedule for a reliable computer
Regular maintenance prevents most software failures. Here is a realistic schedule:
- Every week: check that system updates are installed, empty the recycle bin, close unused browser tabs (each tab consumes RAM).
- Every month: run a disk cleanup, check remaining storage space, verify backups.
- Every quarter: test restoring a backup (a backup that has never been tested is not a backup), dust off the fans of the case or laptop to prevent overheating.
Overheating is the primary cause of slowdowns on laptops over two years old. A simple compressed air dusting of the ventilation grilles can lower the processor temperature by several degrees.
Modern computing rewards simple repeated actions rather than heavy emergency interventions. An updated system, an organized disk, tested backups, and a minimum attention to current regulations are enough to cover most of the risks we face daily.
