Iolo System Mechanic 9.5 will help you to clean and tweak your PC so that it will work faster.

Features

Sweep away junk files and automatically keep Windows spotless

Fixes

   * Fragmented hard drives
   * Cluttered startup
   * Unoptimized internet settings
   * Fragmented and bloated registry
   * Fragmented memory

Repair Registry Problems.

Repair Hard Drive Problems.

And more

Read more here

This product costs around 40$, but you can get a 6 months valid genuine license for free. To get a Free Iolo System Mechanic 9.5 Full version 6 months license do the following

1. Go to the promotion Page here and click continue button

2. Click Secure Checkout button

3. Enter the details and Click Review Order

4. Submit Order

5. Check your email for the license key and download details

[Via Techno 360]