How do I reset my computer to clear it an start fresh.

To refresh your PC:

1. Swipe in from the right edge of the screen, tap Settings, and then tap Change PC settings.
(If you're using a mouse, point to the upper-right corner of the screen, move the mouse pointer down, click Settings, and then click Change PC settings.)
2. Tap or click Update and recovery, and then tap or click Recovery.
3. Under Refresh your PC without affecting your files, tap or click Get started.
4. Follow the instructions on the screen.

Good luck.

Here's the answer from the Dell website:

To restore your system to its original configuration:

1. If you have made a Dell Backup and Recovery tile, just click on that tile and go to step 5.
2. Click on the Windows Desktop tile.
3. Swipe from the right or move the mouse to a right-hand corner to open the Charms bar and then click Search.
4. Click Apps and find Dell Backup and Recovery, then click on that icon.
5. On the Dell Backup and Recovery screen, click Recovery.
6. On the left side of the screen, click System Recovery, then click Yes, Continue and choose Factory Image from the list.
7. Click Restart and follow the appropriate directions.