How do I share a Steam game on the same computer?

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Tags

1. #friend
2. #enable
3. #first
4. #click
5. #option
6. #feature
7. #logged
8. #steam
9. #authorize
10. #choose
11. #sharing
12. #family
13. #computer
14. #account
15. #member
16. #settings
17. #accounts