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Software

TreeSize Free

by JAM Software · Proprietary

96/100how this is calculated

Every hard disk is too small if you just wait long enough. TreeSize Free tells you where precious disk space has gone.

Record

Latest version
4.8.1.610
Release date
11 Feb 2026
Official page
https://www.jam-software.com/treesize_free
Package identifier
JAMSoftware.TreeSize.Free

Official downloads

These URLs are the ones JAM Software declares in its own manifest. We do not proxy or shorten them, and we do not host a copy.

Verify the file you downloaded

Run this against the file on disk. If the output does not match the hash below, the file is not what JAM Software published. Delete it.

Windows · PowerShell

Get-FileHash "TreeSizeFreeSetup.exe" -Algorithm SHA256

macOS · Linux

shasum -a 256 "TreeSizeFreeSetup.exe"

Expected output

d800f1765539194a088cd06b2b8a73c40c4a1001425f2a892f495a53db9da2de

Got a different hash, or one you cannot place? Paste it into the hash checker and it will tell you which program and version it belongs to, past releases included.

Install TreeSize Free silently

The unattended switch below is the one JAM Software declares in the installer manifest, not one we guessed by trying flags.

64-bit · user scope · publisher-declared

.\TreeSizeFreeSetup.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /CurrentUser

Run it from the folder holding the downloaded file, in a terminal opened as administrator when the package installs for all users. Silent means no window and no prompts, so check the exit code rather than waiting for something to appear: 0 is success and 3010 means it worked but wants a reboot.

Silent install commands for every program we index

How we scored this 96 out of 100

SignalFindingPoints
SHA-256 hash published1 of 1 installers ship a SHA-256 hashWithout a published hash there is no way to prove the file you downloaded is the file the publisher built.30 / 30
Binary provenance1 on a domain owned by the publisherThe strongest signal against a repackaged installer: the file should come from the publisher, not from a mirror nobody vouches for.35 / 35
Served over HTTPS1 of 1 over HTTPSAn installer fetched over plain HTTP can be modified in transit.15 / 15
Release recencylast release about 6 months agoSoftware that has not shipped in years accumulates unpatched vulnerabilities.11 / 15
Licence declaredProprietaryA declared licence tells you what you are actually allowed to do with the software.5 / 5

Is TreeSize Free safe to download?

Yes, in the sense we can actually verify: the installer downloads from jam-software.de, which is a domain we have tied to JAM Software.

The installer on this page comes with the SHA-256 JAM Software declared, so you do not have to take our word for it: hash the file you downloaded and compare.

What this does not tell you is whether the software itself is any good, or whether you want what it does once installed. A publisher can ship something you would rather not run and the download is still authentic. We answer the question we can measure and leave the other one to you.

If Windows says “Windows protected your PC” when you run it, that is SmartScreen reporting reputation, not a malware verdict — it shows up on perfectly legitimate software from small publishers and on releases that are simply new. The reverse matters more: no warning does not mean the file was checked.

How the 96/100 score is calculated · why the source matters more than the reputation

Install TreeSize Free with winget

Windows ships with a package manager, and this program is in it. The identifier below is the one Microsoft's repository uses, which is also where the download URL and hash on this page come from.

Install

winget install --id JAMSoftware.TreeSize.Free --exact

Upgrade later

winget upgrade --id JAMSoftware.TreeSize.Free

Why --exact: without it winget matches on name as well as identifier, and a search that returns more than one package makes it stop and ask rather than install. Pinning the identifier is what makes the command safe to put in a script.

Not installing anything, or getting an error back? The commands that actually come up covers upgrading everything at once, what --include-unknown is for, and why winget can be missing from a machine that should have it.

Old versions of TreeSize Free2 with hashes

The version history of TreeSize Free, each release with the download URL the publisher declared at the time and the SHA-256 to check it against. Useful when an update breaks something and you need to downgrade to a build that worked.

We do not host any of these files and never re-upload them, which is the difference between this and an old-version download site.

4.8

  • TreeSizeFreeSetup.exe64-bitofficial URL

    3B1D11EB5B4FFC3110711610835F32141FE9971340BA5FDDEAEC353C92AF58EC

4.7.3

  • TreeSizeFreeSetup.exe64-bitofficial URL

    C685E16E86183D11C30407EE688DC5A6081E3EA1958D3B9B509BC36E3EDBCE07

Publishers take old builds offline without warning, so a link here can stop working even though the hash stays correct forever. If you already have the file, the hash is what matters: it tells you whether what you have is what they published.

Every version on record3

Every TreeSize Free version with a published manifest, newest first. The most recent ones are listed above with their file names and hashes.

  • 4.8.1.610
  • 4.8
  • 4.7.3

Similar programs we index

Matched on the categories JAM Software and others declare in their own manifests, so the grouping is theirs rather than ours. Each one has its official URL and hash on the same terms as this page.

More programs we index

Not related to TreeSize Free — just other entries, each with its own official URL and published hash.

Where our data comes from

Windows manifest
github.com/microsoft/winget-pkgs/tree/master/manifests/j/JAMSoftware/TreeSize/Free/4.8.1.610