Steam says not enough space even though files are already on my hard drive

I have got gta v on A USB from a friend, I have put in the steams apps, common folder, but when I click install on steam it says not enough disc space. I have a 118 gb computer and I can only just fit it in but it does fit with 2 gb left. Is there a way to let steam recon use that it is on my computer?
Best Answer
There isn't enough space, it is correct. The initial installation is 118GB, but after DLC, multiplayer caches, saves, etc. etc. the 2GB left over won't be enough. Clear enough 5GB or so off your HDD before you install the game.
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How do I fix not enough space on Steam?
Fix: Steam Not Enough Disk SpaceWhy does it say insufficient disk space when I have enough?
Literally, the insufficient disk space on Windows 10 (or other operating systems) indicates the free space left in the target drive is not enough to complete the operation you just performed. That is to say, the process requires more space than you have.How do I fix not enough space on my disk?
If your system doesn't have Storage sense, you can use the Disk Cleanup tool to delete temporary files and system files from your device.Why does it say I have 0 bytes on Steam?
If the download is stuck at 0-bytes, in most cases it might be due to the server facing a technical issue or it's been overloaded by high traffic. You can try changing your download region to fix this issue, follow these steps: Click on the \u201cSteam\u201d option on the top right and select \u201cSettings\u201d from the menu.How to Fix - [Steam not enough disk space] - Windows 10
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Answer 2
You can try to copy gta to another drive, start installing it on steam. Wait till the first bytes are done. Close steam, copy the data back, start steam and you should be happy. The download resumes, load the last bytes and should be done.
This normally works for me.
Btw. This way you will see how much space is needed AFTER installation, due to the fact that you start the installation normally.
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