Best Free Software Every PC User Should Install

For virus and malware protection, use Bitdefender Antivirus Free for real-time defense and Malwarebytes Free for weekly scans to catch hidden threats. 2. Replace Chrome with privacy-focused browsers like Mozilla Firefox or Brave, both fast, secure, and compatible with Chrome extensions. 3. Use PDF24 Creator as a free, ad-free PDF editor with tools to create, merge, split, compress, and print to PDF via a virtual printer. 4. Install 7-Zip for efficient file compression and decompression of formats like .zip, .rar, and .7z, featuring AES-256 encryption and right-click integration. 5. Clean your system with BleachBit, which removes temporary files, cache, and logs safely and securely, offering more trustworthy privacy than CCleaner. 6. Replace Microsoft Office with LibreOffice, a free suite that reliably handles word processing, spreadsheets, and presentations in Microsoft-compatible formats. 7. Use FreeFileSync for automated, efficient folder backup and synchronization across drives or devices, with change detection and real-time sync support. 8. Choose Paint.NET for lightweight image editing with layers, effects, and plugins, ideal for quick edits without Photoshop’s complexity. Bonus: Windows 10/11 users can restore the classic Start menu experience with StartAllBack or Classic Shell, improving navigation. These free tools collectively enhance security, performance, and productivity without cost or bloat, ensuring a smoother, safer computing experience.

Every PC user wants a smooth, secure, and efficient computing experience—without spending a fortune. The good news? There are plenty of powerful free tools that can replace expensive software and even outperform built-in utilities. Here are the best free programs every Windows user should consider installing.

1. Virus & Malware Protection: Bitdefender Antivirus Free / Malwarebytes

Security should never be an afterthought. While Windows Defender is decent, adding a second layer helps catch what it might miss.

• Bitdefender Antivirus Free offers real-time protection with minimal impact on system performance. It’s lightweight and scans quickly.
• Malwarebytes Free is great for on-demand scans. Run it weekly to catch adware, PUPs (potentially unwanted programs), and other sneaky threats.

Tip: Use Bitdefender as your main shield and Malwarebytes as a monthly checkup—like a dental cleaning for your PC.

2. Web Browser: Mozilla Firefox or Brave

Chrome dominates, but it’s resource-heavy and tracks a lot. Try these privacy-focused alternatives:

• Firefox is open-source, highly customizable, and respects user privacy by default.
• Brave blocks ads and trackers automatically and can pay you in crypto (via Brave Rewards) for viewing privacy-respecting ads.

Both are fast, secure, and support Chrome extensions—so switching is easy.

3. PDF Reader & Editor: PDF24 Creator

Adobe Reader is bloated and often unnecessary. PDF24 Creator is a better choice because:

• It’s completely free with no ads.
• Lets you create, edit, merge, split, and compress PDFs.
• Includes a virtual printer—so you can “print” any document to PDF from any app.

It installs a printer driver, so you can convert anything to PDF by selecting “Print” → “PDF24”.

4. File Compression: 7-Zip

Need to open .zip, .rar, or .7z files? 7-Zip does it all—and it’s faster and lighter than WinZip or WinRAR.

Key features:

• Supports 7z, XZ, BZIP2, GZIP, TAR, ZIP, and more.
• Can create self-extracting archives.
• Offers strong AES-256 encryption.

It integrates right into the right-click context menu—super convenient.

5. System Cleanup & Optimization: BleachBit

Over time, your PC fills up with temporary files, cache, and digital clutter. BleachBit cleans it all—like CCleaner, but without the sketchy privacy history.

What it can do:

• Clear browser cache, Windows temp files, and Recycle Bin.
• Wipe free disk space securely.
• Clean logs and other hidden junk.

Use it monthly, but be cautious—some options are powerful and irreversible.

6. Office Suite: LibreOffice

Microsoft Office is expensive. LibreOffice is a full-featured, free alternative that handles:

• Word processing (Writer)
• Spreadsheets (Calc)
• Presentations (Impress)

It opens and saves in Microsoft formats (.docx, .xlsx, .pptx) reliably and works offline. Great for students, home users, or anyone who needs to edit documents without a subscription.

7. Backup & File Sync: FreeFileSync

Don’t risk losing important files. FreeFileSync helps you back up or sync folders between drives, computers, or external devices.

Why it’s better than manual copying:

• Shows you exactly what’s changed.
• Supports real-time sync (with RealTimeSync).
• Handles large batches efficiently.

Use it to mirror your Documents folder to an external drive every week.

8. Lightweight Image Editor: Paint.NET

Windows Paint is too basic. Photoshop is overkill and expensive. Paint.NET hits the sweet spot:

• Layer support, effects, and advanced tools.
• Simple interface, easy learning curve.
• Huge plugin community for added features.

Perfect for quick edits, resizing images, or removing backgrounds.

Bonus: Classic Shell / StartAllBack (For Windows 11/10 Users)

If you hate the modern Start menu, StartAllBack (free for older versions, paid now but worth it) or Classic Shell (older but still functional) brings back the classic Windows 7-style menu. Makes navigation much faster and less frustrating.

Basically, you don’t need to pay for most software. These free tools cover security, productivity, maintenance, and daily usability—without bloat or risk. Install a few that fit your needs, and your PC will run cleaner, safer, and smarter.

The above is the detailed content of Best Free Software Every PC User Should Install. For more information, please follow other related articles on the PHP Chinese website!