How to Clean Install OS X Mavericks 10.9.5 with Combo Update 'combo cleaner 10.9.5'

Are you tired of dealing with slow performance issues or pesky bugs in your existing OS X Mavericks installation? Perhaps you're simply looking for a fresh start, free from any potential malware threats or clutter that may have built up over time? Whatever reason brings you here today - we've got good news because this article will walk through the process step-by-step on how to perform an entirely clean install of OS X 10.9.5 using Apple's own combo update method.

Before diving into things, make sure:

1. Back Up Your Data: It goes without saying but backing up your important files and settings is absolutely essential before performing any major system changes like this! Use Time Machine or a third-party backup solution to create an exact copy of everything on your Mac (including documents, pictures etc.). If something were to go wrong during the installation process - you'll be glad you did!

2. Download Mavericks 10.9.5 Combo Update

Head over to Apple's official download page and grab the latest combo update for OS X Mavericks 10.9.5 . Once downloaded, double-click on it wherever your downloads folder may have placed it.

3. Erase Your Hard Drive (Optional but Highly Recommended)

If you're starting from scratch or simply want a completely blank slate to start anew - now's the perfect time! Insert an external drive that has enough free space available (at least 20GB recommended), then follow these steps:

a) Launch Disk Utility.app located in Applications/Utilities folder.

b) Select your main hard disk (it should be labeled 'Macintosh HD').

c) Click the Erase button and confirm when prompted. This will wipe everything on that drive - so double triple quadruple check before proceeding!

4. Boot from Installation Media

Insert the Mavericks 10.9.5 installation media you created earlier into your optical drive or connect it via USB if using a newer Mac without an optical slot.

Restart your computer while holding down Command (⌘)+Option (Alt) keys until you see this screen:

Select 'Install OS X from installatio'n' 'name'' and press Enter. If prompted, select the language preference as English US then click Continue to proceed with booting into Recovery Mode.

5. Perform Clean Install

Once booted into recovery mode:

a) Click on Utilities at top left corner of screen.

b) Select Disk Utility from drop-down menu.

c) In main window find your hard drive (it should be labeled 'Macintosh HD').

d) Click Erase button and confirm when prompted to erase all data. This will completely wipe everything - so triple double quadruple double triple check before proceeding!

e) Once erased, exit out of Disk Utility by clicking Quit in top left corner.

f) Go back into Recovery Mode via restart button or Command (⌘)+Option (Alt).

g) Select 'Install OS X Mavericks' and follow on-screen instructions until you reach the final installation screen. Agree to terms then click Install again.

h) Wait patiently as your brand new, sparkling clean copy of OS X 10.9.5 installs itself onto your hard drive!

Combo cleaner 10.9.5