This one was found on a Wired website:
The text reads:
PC. Easy as 1-23
1. Remove unneeded bloatware
2. Configure security settings
3. Download and install OS security patches
4. Restart
5. Download / install extra security programs
6. Restart
7. Download / install drivers for peripherals
8. Restart
9. Remove optional Windows components
10. Update new virus list
11. Run full system virus scan
12. Update new malware list
13. Run full system malware scan
