Q: Where can I find a Windows 8 end-user cheat sheet with the most useful keyboard and touch commands?
A: Windows 8 users need help with touch and keyboard commands. Below is an image that displays the key shortcuts I've seen used by many organizations and that are most useful to a user.
Print it out as a small card and leave it on the desks of users. You can put your organization's logo on the back if double sided.
Windows 8 touch and keyboard shortcuts cheat sheet (click to enlarge)
You might also look at Michael Otey's "Top 10: Windows 8 Keyboard and Mouse Survival Guide." And Paul Thurrott posts Windows 8 tips at his Supersite for Windows, such as "Windows 8 Tip: Pin the Facebook Web App."
See more FAQs at John Savill's page.