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How To Properly Reinstall Steam
由 Bodomi 制作
This guide will show you how to properly reinstall Steam without deleting games, library categories, save files, local screenshots or any other important Steam settings.

This method of reinstalling Steam is the preferred method when reinstalling Steam for things like troubleshooting or to just refresh your Steam installation folder.
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Bodomi
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类型: 基本游戏玩法, 模组或配置, 攻略
Languages: 英语
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更新日期
2020 年 12 月 8 日 下午 12:25
2023 年 2 月 7 日 上午 5:02
6,002 不重复访客数
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指南索引
总览
Preamble 
How To Properly Reinstall Steam 
List of Useful Resources 
Ending Words 
留言
Preamble


When reinstalling Steam many people think they need to fully uninstall Steam and delete all of its related folders and files, but that is not true, and this guide will show you the quick, easy and safe method to quickly reinstall Steam, whether for troubleshooting purposes or otherwise.

Non of your games, save files, library categories, local screenshots or any other important configs will be deleted, however I can make no guarantees that you will not make a user error, therefore I recommend you make a backup of the Steam folder.

To back up the Steam folder simply make a copy of your Steam folder and place it elsewhere, like on your desktop or on a secondary drive. This way, although by all likelihood nothing will go wrong, you know that you have a safety net to fall on.
How To Properly Reinstall Steam
This following method will NOT delete your games or any other important things like save files, local screenshots, library categories, etc.

The following method is recommended if you're reinstalling Steam for troubleshooting purposes.

  1. Exit Steam.

  2. Head to the Steam Program Files folder, commonly located at C: > ProgramFiles(x86) > Steam.

  3. Delete everything within the folder except for steamapps, userdata and Steam.exe.

  4. If you have no game save files, local screenshots or any configs like custom library categories or important Steam settings that you care about you can optionally delete the userdata folder as well.

  5. Run Steam.exe.

  6. Wait while Steam downloads the required files and reinstalls.

That's it! You're done with your reinstall. Non of your games will be deleted and all your settings will be saved.

NB: If you are opted into the Steam Beta you will need to opt back into it after you reinstall Steam.

You can also view this as a video, which also shows how to opt into the Steam Beta Client.

List of Useful Resources
Ending Words
This guide was originally created by me for /r/Steam in the form of a wiki page. You can view the original wiki page here: https://www.reddit.com/r/Steam/wiki/index/uninstallreinstallsteam

If you have feedback regarding the guide, feel free to comment below! If you need help or have support questions feel free to post in the /r/Steam Monthly Support Thread.

19 条留言
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Tomy 9 月 9 日 上午 10:01 
You are a hero! Fixed a problem with games crashing because of steam overlay.
Palinojur_SK 8 月 22 日 下午 1:38 
Awesome. This guide helped me get GTA V running, because it kept saying the game couldn’t launch and told me to reinstall Steam or the game. :steamthumbsup:
Nomad 7 月 16 日 上午 1:45 
Unfortunately this didn't help me. The game still won't launch but now it just goes from LAUNCHING to PLAY to STOP. I don't know why there are so many issues with COD. ALMOST every time it updates or Windows updates something happens. I read it was to do with the launcher so that's why I tried reinstalling Steam this way, but nothing is working. I also don't know why my Steam says it's running under Windows 8 when I've never had Windows 8. I use Windows 10 since it came out and have only been using COD since Jan 2024.
Amsel13 1 月 9 日 下午 2:50 
It's super nice how easy this is and how much thought must have gone into making the client as independent as possible. W24H2 bricked my machine because of some FU with NVIDIA cards and after the thing also mislead me into throwing away my rollback I had to clean install (luckily with files but without apps) now I have to go through each and every application and refill the various places these apps store their data with my backed up files. Each app is different.
It's a pleasure that for all my Steam apps this was just a simple restart of steam.exe from the old dir it was stored in ( not Program Files (x86) ) and a login.
Thx Valve ... Love you guys.
Hercules 2024 年 11 月 12 日 上午 9:00 
robinP did you try to end task from the task manager? the thing is today most apps including steam, when you close steam it never trully closes, it even seems that when you shutdown your pc the app is still using some ram. Why i think so? well the thing is that steam records your peak download speed and keeps it there and at first i thought they save this info somewhere on the harddrive but the truth is they dont. When i ended steam.exe task in task manager and reopened steam i saw that my peak download was reset back to 0.

so i do advise to close steam through the task manager and try again, restarting wont help because as i said it seems that steam never truly goes off unless you end the task yourself forcibly.

i hope that did help.
ikky 2024 年 9 月 22 日 上午 2:04 
This also works on linux too. Just substitute steam.sh for steam.exe. I did not think it would work but it does.
Laurel 2024 年 8 月 28 日 下午 5:37 
Ohlookpuppies i have the same issue.
Captain_Gory 2024 年 5 月 24 日 下午 2:56 
Was able t0 reinstall Steam, alth0ugh I did fuck up a bit and messed my sh0rtcuts up, but this definitely w0rked :steamhappy:
Ohlookpuppies 2021 年 4 月 21 日 上午 11:37 
For two days, I have tried and failed over and over and over, and I'm scared that this problem might be the first of it's kind. There's no logical explanation, nothing on my computer was changed, I have the most recent windows 10 update, and I know the games CAN function because I've played them before just fine.

I've tried reaching out to others, but NOBODY ELSE seems to be having the kind of problem I have. I doubt you're even bothering to read this far, and I doubt you'll be able to help, but I'm desperate at this point. If you have ANY kind of solution to this, PLEASE TELL ME.
Ohlookpuppies 2021 年 4 月 21 日 上午 11:36 
Okay, I know this isn't really the proper place to talk about this but I have literally nobody left to turn to. The reason WHY I was trying to uninstall and reinstall steam is because I was hoping it would get L4D2 and Portal 2 to work again. All the game files are there, but they don't even launch anymore, and have tried EVERY SOLUTION I COULD FIND. I turned on windows compatibility, I've opened the games as administrator, I've verified the files, uninstalled and reinstalled both games, and now I've tried reinstalling steam itself (which didn't even work anyway) I HAVE DONE EVERYTHING.