# Installed size on Windows 11, 64 bit, was 1.4 GB for 1.12.4, now it's 1.0GB for 1.12.5

**URL:** https://discourse.julialang.org/t/installed-size-on-windows-11-64-bit-was-1-4-gb-for-1-12-4-now-its-1-0gb-for-1-12-5/135584
**Category:** New to Julia
**Created:** [February 11, 2026, 7:45pm UTC](https://discourse.julialang.org/t/installed-size-on-windows-11-64-bit-was-1-4-gb-for-1-12-4-now-its-1-0gb-for-1-12-5/135584 "2026-02-11T19:45:28Z")
**Posts on this page:** 5
**Page:** 1

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### Author: ![JustCurious](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/justcurious/32/202801_2.png) [@JustCurious](https://discourse.julialang.org/u/JustCurious)
#### Post date: [February 11, 2026, 7:45pm UTC](https://discourse.julialang.org/t/installed-size-on-windows-11-64-bit-was-1-4-gb-for-1-12-4-now-its-1-0gb-for-1-12-5/135584/1 "2026-02-11T19:45:28Z")

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Is there a summary of changes that accounts for this reduction?

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### Author: ![woclass](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/woclass/32/212699_2.png) [@woclass](https://discourse.julialang.org/u/woclass)
#### Post date: [February 12, 2026, 3:16am UTC](https://discourse.julialang.org/t/installed-size-on-windows-11-64-bit-was-1-4-gb-for-1-12-4-now-its-1-0gb-for-1-12-5/135584/2 "2026-02-12T03:16:23Z")

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![image](https://global.discourse-cdn.com/julialang/original/3X/d/3/d3f8e368d93bbb57527ff661941766f7b58eee5d.png)

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### Author: ![JustCurious](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/justcurious/32/202801_2.png) [@JustCurious](https://discourse.julialang.org/u/JustCurious)
#### Post date: [February 12, 2026, 3:51am UTC](https://discourse.julialang.org/t/installed-size-on-windows-11-64-bit-was-1-4-gb-for-1-12-4-now-its-1-0gb-for-1-12-5/135584/3 "2026-02-12T03:51:23Z")

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I have WinMerge but I don’t know how to get the above display. So, here’s what I do have:

 ![1.12.5 vs 1.12.4 Install Files](https://global.discourse-cdn.com/julialang/original/3X/c/3/c345ddcaf4b269e71877313a15145ca3a1b9bf4a.jpeg)  
 ![1.12.5 vs 1.12.4 Properties](https://global.discourse-cdn.com/julialang/original/3X/6/6/66fe22a5187a3266ab32afd97e11688a04fff09c.jpeg)

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<div class="post-metadata">

### Author: ![JustCurious](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/justcurious/32/202801_2.png) [@JustCurious](https://discourse.julialang.org/u/JustCurious)
#### Post date: [February 12, 2026, 5:24am UTC](https://discourse.julialang.org/t/installed-size-on-windows-11-64-bit-was-1-4-gb-for-1-12-4-now-its-1-0gb-for-1-12-5/135584/4 "2026-02-12T05:24:10Z")

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Got it - but why?

 ![1.12.5 vs 1.12.4 WinMerge](https://global.discourse-cdn.com/julialang/original/3X/3/c/3c707bc802910c9f47682d44a2dee221deb9480e.jpeg)

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### Author: ![Wen-Wei\_Tseng](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/wen-wei_tseng/32/28839_2.png) [@Wen-Wei\_Tseng](https://discourse.julialang.org/u/Wen-Wei_Tseng)
#### Post date: [February 12, 2026, 7:40am UTC](https://discourse.julialang.org/t/installed-size-on-windows-11-64-bit-was-1-4-gb-for-1-12-4-now-its-1-0gb-for-1-12-5/135584/5 "2026-02-12T07:40:54Z")

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Might be this commit: [[Windows][Makefile] Avoid installing `basecompiler-o.a` / `sysbase-o.a` · JuliaLang/julia@9ef866a · GitHub](https://github.com/JuliaLang/julia/commit/9ef866af2950d0415495859b1e267c530e3d2251)