Follow these easy steps to display a table of user names and their corresponding SIDs:
Difficulty: Easy
Time Required: It'll take less than a minute to find a user's SID in Windows via WMIC:
Here's How:
Open Command Prompt.
Once Command Prompt is open, type the following command exactly as shown here, including spaces or lack thereof:

wmic useraccount get name,sid

and then press Enter.
You should see a table, similar to the following, displayed in the Command Prompt window:
Name SID

Administrator S-1-5-21-1180699209-877415012-3182924384-500

Guest S-1-5-21-1180699209-877415012-3182924384-501

HomeGroupUser$ S-1-5-21-1180699209-877415012-3182924384-1002

Tim S-1-5-21-1180699209-877415012-3182924384-1004

UpdatusUser S-1-5-21-1180699209-877415012-3182924384-1007

This is a list of each user account in Windows, listed by user name, followed by the account's corresponding SID.

Now that you're confident that a particular user name corresponds to a particular SID, you can make whatever changes you need to in the registry or do whatever else you needed this information for.

另一句命令查看用户的SID:

whoami /all