How I Accidentally Found 15GB Of Free Space

This article was originally published 11 October 2006 as ‘Save Space on Your Computer’. Tonight I have updated and republished for clarity. (The original article is now deleted to avoid confusion)

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Back in the mid-2000s, keeping a Windows computer running well meant regularly defragging the hard drive. It was just one of those maintenance jobs that most of us got into the habit of doing. The problem was that defragmentation needed free disk space to work properly.

I regularly found myself in the this almost Catch-22 situation:

My laptop would be slowing down or crashing, I’d decide it was time for a defrag, and Windows would politely tell me there wasn’t enough room to complete the process.

That usually meant deleting old PDF files, screenshots I’d saved for future website ideas, snippets of HTML or CSS I’d collected, or anything else that had quietly accumulated over the months.

One evening, while traveling home on the train and listening to music through a brand new pair of earphones, a simple thought popped into my head.

“Why was I keeping thousands of music files on my laptop?“

At the time, I carried my entire music collection on my iPod anyway. The laptop was simply acting as a second copy. Once I realised that, the solution seemed embarrassingly obvious.

So I copied my music library to an external hard drive as a backup, confirmed everything was safely stored, and then removed the music from my laptop.

Instantly, I recovered around 15GB of disk space.

Back then, 15GB was a substantial amount of storage. It gave Windows enough breathing room to complete a proper defragmentation, and my laptop immediately felt far less cramped.

Looking back, the technology has changed dramatically. Mechanical hard drives have largely been replaced by fast solid-state drives, and modern operating systems manage storage much more efficiently than they did in 2006. Defragmenting is rarely something users even think about today.

The lesson, however, still holds true.

Every so often it’s worth asking yourself whether you’re storing multiple copies of the same files for no good reason. Music, photos, videos, downloads, and old project files can quietly consume gigabytes of storage without you noticing. A simple tidy-up or moving archived files to external storage or the cloud can make a surprising difference.

Sometimes the best solution isn’t buying a bigger hard drive.

Sometimes it’s simply realising what you don’t actually need to keep within your computer – and instead store elsewhere.