Most of us remember to dust our desks and wipe our computer screens occasionally. But what about the things you can’t see? Over time, a computer can collect unwanted applications, forgotten downloads, old files and programs that start automatically whenever you switch it on.

A little software housekeeping can make your computer easier to use, free up storage and sometimes improve performance. The good news is that you don’t need to be a computer expert or install an expensive “cleaner” to get started.

Here’s our straightforward guide to giving a Windows 11 computer a digital spring clean, without accidentally deleting something important.

Before You Start: Make Sure Your Files Are Backed Up

Before deleting files or uninstalling software, make sure important documents, photographs and other irreplaceable information are backed up.

That might mean an external drive, a properly configured backup service or another independent copy of your files. Remember that synchronising files to OneDrive is useful, but synchronisation is not necessarily the same as having a separate backup: deletions can synchronise too.

If you are unsure whether your files are safely backed up, deal with that first. A spring clean should never put your family photographs or important paperwork at risk.

1. Check How Much Storage You Have Left

Start by seeing whether your computer is actually short of space.

  1. Open Settings.
  2. Choose System, then Storage.
  3. Look at how much space is being used and which categories are taking it up.

Windows may show categories such as Installed apps, Temporary files and Documents. This gives you a better idea of where to focus than randomly deleting things.

If your drive is nearly full, Windows may struggle to download updates or create temporary files. But if you have plenty of free space, deleting files probably won’t magically transform your computer’s speed.

2. Clear Out Temporary Files Using Windows

Windows has its own built-in tools for clearing some files that are no longer needed.

  1. Go to Settings > System > Storage.
  2. Open Temporary files.
  3. Review the categories carefully before selecting anything.
  4. Remove only the items you understand and no longer need.

Important: Be especially careful with Downloads if it appears as an option. That folder often contains invoices, documents, photographs and installers you may still want. Don’t tick it simply because Windows offers to remove it.

You may also see files from a previous Windows installation. These can be large, but removing them can affect your ability to roll back a recent Windows upgrade. If you are unsure, leave them alone.

3. Take a Look at Your Downloads Folder

The Downloads folder is one of the easiest places for clutter to build up. It may contain documents you’ve already saved elsewhere, old installers, duplicate photographs and files you downloaded months ago.

Open File Explorer, choose Downloads and sort by date or size. Review the contents rather than selecting everything and deleting it.

Keep anything you might need, and move important documents to a sensible location. You can delete files you’re confident are no longer useful, but remember that an unfamiliar filename doesn’t automatically mean it’s safe to remove.

4. Uninstall Programs You No Longer Use

Old software can take up storage and, in some cases, continue running background services or installing updates even if you never open it.

  1. Open Settings.
  2. Go to Apps > Installed apps.
  3. Review the list and identify applications you recognise but no longer need.
  4. Use the application’s uninstall option to remove them.

Be cautious with anything you don’t recognise. Drivers, device utilities, Microsoft components and security software can have important jobs even if their names are unfamiliar.

Don’t uninstall something simply because it looks technical. If you’re unsure, check first.

5. Review What Starts When You Turn the Computer On

Does your computer take ages to become usable after you sign in? Too many applications starting automatically may be part of the problem.

  1. Open Settings > Apps > Startup, or open Task Manager and choose Startup apps.
  2. Look through the list of applications.
  3. Turn off automatic startup for non-essential applications you recognise and don’t need immediately.

For example, a music player or chat application might not need to open every time you switch on your laptop.

Leave essential security tools, backup software and anything you don’t understand alone. Disabling startup is different from uninstalling: the program can still be opened when you need it.

6. Check for Windows Updates

Software housekeeping isn’t just about deleting things. Keeping Windows updated helps protect your computer and can fix bugs and reliability problems.

  1. Open Settings > Windows Update.
  2. Select Check for updates.
  3. Install appropriate available updates and restart when required.

Save your work before restarting. If your computer has been struggling with failed updates for a long time, it may be worth getting help rather than repeatedly forcing changes.

Windows 10’s standard support ended in October 2025, so if you’re still using it, it’s worth discussing your options for a supported system rather than treating a tidy-up as a substitute for security updates.

7. Update the Programs You Actually Use

Your web browser, email software and other applications also need updates. Many update themselves automatically, but it’s worth checking the applications you use regularly.

Only download updates through the application’s built-in update function or the software publisher’s genuine website. Avoid pop-up adverts that claim your computer urgently needs a special driver updater or software repair tool.

8. Give Your Browser a Tidy-Up

Web browsers can collect unused extensions, open tabs and saved downloads. A quick review can make them easier to manage.

  • Close tabs you no longer need, bookmarking useful pages first.
  • Review browser extensions and remove ones you no longer use or don’t recognise, after checking what they are.
  • Check whether your browser is up to date.
  • Review website notification permissions if you keep seeing unwanted alerts.

Be careful with the option to clear browsing data. Deleting cookies can sign you out of websites, while clearing saved passwords without knowing where they’re stored could make accessing accounts difficult.

Also, dozens of browser tabs can use a significant amount of memory. If you regularly have many tabs open, 16GB of RAM can make a noticeable difference compared with a more limited machine.

9. Check Your Recycle Bin

When you delete a file in Windows, it often goes into the Recycle Bin rather than disappearing immediately. This is helpful if you make a mistake, but old deleted files can continue using storage.

Open the Recycle Bin and review its contents. Restore anything you still need. Only empty it once you’re confident there is nothing important left inside.

Don’t empty it just because you think you should. If storage isn’t a problem, there’s no rush.

10. Run a Sensible Security Check

If your computer is behaving strangely, showing unwanted advertisements or redirecting you to unfamiliar websites, it may be worth running a security scan.

Windows Security includes Microsoft Defender Antivirus, which is a legitimate security option for home users. Open Windows Security > Virus & threat protection and follow the available scan options.

If you already have another trusted security product, use its normal scanning features instead of installing several antivirus products on top of one another.

At BCR, we can also provide business-grade managed ThreatDown protection for home users, with ongoing monitoring and support where appropriate. The important thing is to use reputable protection and keep it maintained, not to buy every product that promises to make your computer “100% safe”.

11. Avoid Registry Cleaners and Miracle Speed-Up Apps

You’ve probably seen adverts promising to fix thousands of computer problems with one click. Be sceptical.

So-called registry cleaners, automatic driver updaters and aggressive PC optimisation utilities can exaggerate harmless findings, encourage unnecessary subscriptions or make changes that cause more problems than they solve.

Modern Windows already includes useful tools for managing storage, updates, startup applications and security. Most home users don’t need an extra “miracle cleaner”.

And don’t delete files from Windows system folders just because an online guide says doing so will make your computer faster.

12. Restart Your Computer Properly

It sounds simple, but a proper restart can clear temporary software glitches and complete pending updates.

Choose Start > Power > Restart. This is often more useful for troubleshooting than simply closing the laptop lid and opening it again.

If a particular application continues to freeze, note when the problem happens. Repeated crashes may need more investigation than a routine tidy-up.

Will a Digital Spring Clean Make an Old Laptop Faster?

Sometimes, yes. Removing unnecessary startup applications, freeing space on a nearly full drive and fixing software problems can improve the experience.

But housekeeping can’t overcome every hardware limitation.

A computer with a failing hard drive, very little RAM or an ageing processor may still struggle even after a careful clean-up. In some cases, fitting an SSD or increasing the memory is a better investment than spending hours deleting files.

We generally prefer 16GB of RAM for a modern Windows laptop, particularly if you use several browser tabs or applications at once. And if a laptop is approaching five or six years old, it’s worth weighing up upgrade costs against replacement rather than spending money automatically.

How Often Should You Do Software Housekeeping?

You don’t need to obsessively clean your computer every week.

For most home users, a quick check every few months is enough: review storage, uninstall things you no longer use, check updates and make sure backups are working.

Windows can manage many routine maintenance tasks automatically. The aim is a computer that’s easy to use and properly maintained, not one that has been stripped of everything unfamiliar.

Frequently Asked Questions

Should I delete everything in my Downloads folder?

No. Review it first. It may contain documents and photographs you still need. Delete only files you recognise and no longer want.

Does deleting files make a computer faster?

It can help if the drive is nearly full, but it won’t necessarily improve performance when plenty of storage is already available. Slow computers can have several different causes.

Do I need a paid PC cleaning program?

Usually not. Windows includes built-in tools for temporary files, storage, startup applications and security. Be wary of programs that claim to discover huge numbers of urgent problems.

Should I clean the Windows registry?

Routine registry cleaning isn’t recommended for most home users. It offers little proven benefit and can cause problems if important entries are removed.

Can I uninstall anything I don’t recognise?

No. Some unfamiliar applications are important drivers or system components. If you don’t know what something does, investigate before removing it.

Is OneDrive a backup?

OneDrive can protect files in useful ways, but ordinary file synchronisation isn’t the same as an independent backup. Check your settings and make sure important files have suitable additional protection.

Need a Hand Getting Your Computer Back into Shape?

If your computer is slow, cluttered or behaving unpredictably, Barwell Computer Repair can help work out what’s actually causing the problem.

We can help with Windows housekeeping, unwanted software, startup problems, storage, backups and sensible upgrades. And if your computer isn’t worth spending money on, we’ll explain that too.

Our aim is simple: practical, friendly advice that helps you get more from your technology without unnecessary expense.

Tim

Tim has worked in the IT industry for over 11 years and is passionate about helping people get the most from their technology. Tim helps home users with everything from computer repairs and printer problems to Wi-Fi issues and new device setup. Known for his friendly, approachable style, he focuses on providing clear advice and practical solutions without the jargon.