Buy System Optimisation Software – Speed Up & Clean Your PC

Over time, Windows systems accumulate clutter – junk files, outdated registry entries, far too many startup programs and temporary files that build up over months and years of use. The result: a noticeably slower PC, longer start-up times and a bloated system. System optimisation software systematically identifies and fixes many of these problems – for a PC that feels snappier again. In the Tools section, Lizenzindustrie offers proven optimisation programs as verified licences – by email, at a price well below the official list price.

Why does a Windows PC get slower over time?

The slowdown of a Windows system over its lifetime has several specific causes, which professional optimisation software tackles in a targeted way:

Junk files: Temporary files, browser cache, old update files and program remnants accumulate over time into considerable amounts of data – which take up storage space and can impair system performance.

Orphaned registry entries: Over time, the Windows registry accumulates outdated entries from uninstalled programs. This rarely makes a PC noticeably slower – but a cleaned-up system remains easier to keep track of.

Overloaded startup list: Many installed programs automatically add themselves to Windows startup – over time this adds up to a considerable number of programs that load automatically every time the system starts and significantly lengthen start-up time.

Fragmented hard drives: With traditional HDDs (not SSDs), file fragmentation leads to longer access times over time. Switching to an SSD often provides a quicker remedy, e.g. with a cloning tool from our Backup & data protection section.

Background processes: Many installed applications run unnecessarily in the background and continuously consume system resources, even when they are not actively being used.

What does professional system optimisation software do?

Junk file cleanup – systematic identification and safe removal of temporary files, browser caches, old update files and program remnants. Frees up noticeable storage space and speeds up file system operations.

Registry cleaning – analysis of the Windows registry for outdated and orphaned entries, with an automatic backup before every change.

Startup management – clear management of all programs that load automatically when Windows starts, with the option to disable unnecessary startup entries – for significantly faster system starts.

Privacy cleanup – removal of digital traces such as browser history, recently opened documents and other activity logs – for greater privacy on shared or public PCs.

Uninstall tools – complete uninstallation of programs including all registry entries and leftover files that are often left behind by the standard Windows uninstaller.

Disk optimisation – analysis and defragmentation of HDDs and TRIM optimisation for SSDs.

Duplicate file finder – identification of duplicate files that take up storage space unnecessarily.

Live system monitoring – real-time display of processor, memory and disk usage to identify resource-intensive processes.

The most important system optimisation software solutions at a glance

Ashampoo WinOptimizer – Ashampoo WinOptimizer is a comprehensive system optimisation solution from the German manufacturer Ashampoo – with more than 30 integrated tools for cleaning, optimisation, privacy and system analysis. The intuitive interface with one-click optimisation makes WinOptimizer particularly accessible for beginners, while experienced users retain full control through detailed settings. Regular updates ensure compatibility with current Windows versions.
Avanquest System Suite Professional – The System Suite from Avanquest combines comprehensive system optimisation with integrated antivirus – registry cleaning, PC acceleration, privacy and security features in one package. For users looking for optimisation and basic protection in a single solution.
Fix-It Utilities Professional – Fix-It Utilities Professional from Avanquest offers professional PC diagnosis and repair functions with extensive tools for system analysis, troubleshooting and automatic repair of Windows problems – going beyond simple cleaning.
Speedy PC Pro – Speedy PC Pro is a specialised PC acceleration tool focusing on faster Windows start-up times, quicker program launches and general system performance optimisation.

You will find further optimisation tools from manufacturers such as iolo (System Mechanic) and Abelssoft.

System optimisation – how often makes sense?

For most users, regular but not excessive use of system optimisation software is recommended:

Junk file cleanup: Weekly to monthly, depending on how intensively the PC is used
Registry cleaning: Occasionally, for example after uninstalling larger programs – cleaning more often brings no additional benefit
Startup check: Recommended after every major software installation
Full system analysis: Quarterly, for a comprehensive health check of the system

Many modern optimisation tools offer automated schedules that carry out these maintenance tasks in the background – without the user having to intervene.

How buying from Lizenzindustrie works

Choose the optimisation program you want and complete your order – the licence key arrives automatically by email. Activation takes place in the program via the manufacturer.

✔ Delivery by email – licence key usually 5 to 30 minutes after payment is received (daily 9:00–21:00)
✔ Verified licences – reliably activated via the manufacturer's official servers
✔ Significantly cheaper than the official list price
✔ Ashampoo, Avanquest & more – proven optimisation solutions
✔ Junk cleanup, registry, startup & more in one tool
✔ Traceable origin – licences from distributors and wholesalers in Europe
✔ Fast support – we help you quickly if you have questions

Do you have questions about the right optimisation software for your PC? Write to us – we will advise you free of charge.

Frequently asked questions about system optimisation software

Is registry cleaning really safe?

Professional system optimisation software such as Ashampoo WinOptimizer automatically creates a backup before every registry change, so changes can be undone if necessary. Reputable software also only cleans clearly identified, orphaned entries – the risk of unwanted side effects is low with established tools.

Does system optimisation make any difference on SSDs?

Yes – even though classic defragmentation is not necessary on SSDs (and can even be harmful), SSD systems also benefit from junk file cleanup and startup management. Modern optimisation tools automatically detect whether an SSD or an HDD is present and apply the appropriate optimisation methods.

What is the difference between Ashampoo WinOptimizer and Avanquest System Suite?

Ashampoo WinOptimizer focuses primarily on pure system optimisation with more than 30 specialised tools. Avanquest System Suite Professional combines optimisation with integrated antivirus – for users looking for an all-in-one solution of cleanup and basic protection.