How do I share a computer between people?
Separate user accounts, what they do and do not protect, and setting up a machine children also use.
- Difficulty
- beginner
- Time
- 30 min
- Read
- 3 min
- Safety
- caution
Short answer
Give everyone their own user account. It separates files, browser history, email and settings, and it takes ten minutes. Keep one administrator account, make the rest standard accounts, and set up children as children so the parental controls apply.
Sharing a single login means shared browser sessions, shared email, and one person's settings for everyone. Separate accounts solve nearly all of it, and the setup is far quicker than most people assume.
Safety
Step by step
- Create a user account for each person.Both Windows and macOS handle this in settings under users or accounts. Each account gets its own desktop, documents, browser profile and applications settings.
- Keep administrator rights to one account.Make the others standard users. A standard account cannot install software or change system settings without an administrator password, which prevents a great deal of accidental damage.
- Set up children as child accounts.Both systems have a family or child account type that enables content filtering, time limits and activity reporting. Setting a child up as an ordinary user means none of that applies.
- Understand the limits of separation.Accounts keep people out of each other's things in ordinary use. They do not encrypt anything, and an administrator can reach every account's files. Treat it as tidiness and privacy rather than security.
- Use separate browser profiles too.Even with separate accounts, sign each person into their own browser profile so bookmarks, passwords and history stay theirs. Sharing a browser profile undoes most of the benefit.
- Decide where shared files live.Both systems have a shared or public folder that every account can reach. Put family photos and documents there rather than in one person's account, where they vanish if that account is removed.
- Set the machine to lock when idle.A short screen timeout with a password on wake is what actually keeps accounts separate. Accounts on a machine that never locks are decorative.
- Check disk space before adding accounts.Each account keeps its own copies of downloads, caches and application data. On a machine that is already close to full, three accounts fills it quickly.
- Set up a guest option for visitors.A guest account, where available, leaves nothing behind between sessions. Better than lending your own login to someone who needs to print something.
- Remove accounts properly when they are no longer needed.Deleting an account offers to keep or delete its files. Decide deliberately — accepting the default is how people lose documents they meant to keep.
Tips
- Sign each account into its own cloud storage rather than sharing one. Sync conflicts on a shared account are miserable to untangle.
- Set the family administrator password to something the other adults in the house know. A single person holding it becomes a bottleneck.
- If the machine is slow with several accounts, it is usually memory rather than the accounts themselves — each logged-in user holds their own applications open.
Questions people ask
Should everyone have their own computer account?
Yes. It separates files, browser sessions, email and settings, takes about ten minutes to set up, and prevents most of the friction of sharing a machine.
Can other users see my files on a shared computer?
Standard users cannot browse into another account's folders in ordinary use, but an administrator can. Separate accounts are privacy and tidiness rather than real security — do not keep anything genuinely sensitive on a shared machine.