diff --git a/.changeset/lovely-colts-hear.md b/.changeset/lovely-colts-hear.md
new file mode 100644
index 00000000000..c2ad4851817
--- /dev/null
+++ b/.changeset/lovely-colts-hear.md
@@ -0,0 +1,5 @@
+---
+"app-builder-lib": patch
+---
+
+refactor: enabling `getBin` to accept a different repo as a download source (useful for testing)
diff --git a/packages/app-builder-lib/src/binDownload.ts b/packages/app-builder-lib/src/binDownload.ts
index 9ad96d7284e..ccdb8ebc3d8 100644
--- a/packages/app-builder-lib/src/binDownload.ts
+++ b/packages/app-builder-lib/src/binDownload.ts
@@ -1,5 +1,6 @@
 import { executeAppBuilder } from "builder-util"
 import { Nullish } from "builder-util-runtime"
+import { sanitizeFileName } from "builder-util/out/filename"
 
 const versionToPromise = new Map<string, Promise<string>>()
 
@@ -16,41 +17,39 @@ export function getBinFromCustomLoc(name: string, version: string, binariesLocUr
   return getBin(dirName, binariesLocUrl, checksum)
 }
 
-export function getBinFromUrl(name: string, version: string, checksum: string): Promise<string> {
-  const dirName = `${name}-${version}`
+export function getBinFromUrl(releaseName: string, filenameWithExt: string, checksum: string, githubOrgRepo = "electron-userland/electron-builder-binaries"): Promise<string> {
   let url: string
   if (process.env.ELECTRON_BUILDER_BINARIES_DOWNLOAD_OVERRIDE_URL) {
-    url = process.env.ELECTRON_BUILDER_BINARIES_DOWNLOAD_OVERRIDE_URL + "/" + dirName + ".7z"
+    url = process.env.ELECTRON_BUILDER_BINARIES_DOWNLOAD_OVERRIDE_URL + "/" + filenameWithExt
   } else {
     const baseUrl =
       process.env.NPM_CONFIG_ELECTRON_BUILDER_BINARIES_MIRROR ||
       process.env.npm_config_electron_builder_binaries_mirror ||
       process.env.npm_package_config_electron_builder_binaries_mirror ||
       process.env.ELECTRON_BUILDER_BINARIES_MIRROR ||
-      "https://github.com/electron-userland/electron-builder-binaries/releases/download/"
+      `https://github.com/${githubOrgRepo}/releases/download/`
     const middleUrl =
       process.env.NPM_CONFIG_ELECTRON_BUILDER_BINARIES_CUSTOM_DIR ||
       process.env.npm_config_electron_builder_binaries_custom_dir ||
       process.env.npm_package_config_electron_builder_binaries_custom_dir ||
       process.env.ELECTRON_BUILDER_BINARIES_CUSTOM_DIR ||
-      dirName
-    const urlSuffix = dirName + ".7z"
-    url = `${baseUrl}${middleUrl}/${urlSuffix}`
+      releaseName
+    url = `${baseUrl}${middleUrl}/${filenameWithExt}`
   }
 
-  return getBin(dirName, url, checksum)
+  return getBin(releaseName, url, checksum)
 }
 
 export function getBin(name: string, url?: string | null, checksum?: string | null): Promise<string> {
   // Old cache is ignored if cache environment variable changes
-  const cacheName = `${process.env.ELECTRON_BUILDER_CACHE}${name}`
+  const cacheName = sanitizeFileName(`${process.env.ELECTRON_BUILDER_CACHE ?? ""}${name}`)
   let promise = versionToPromise.get(cacheName) // if rejected, we will try to download again
 
   if (promise != null) {
     return promise
   }
 
-  promise = doGetBin(name, url, checksum)
+  promise = doGetBin(cacheName, url, checksum)
   versionToPromise.set(cacheName, promise)
   return promise
 }
diff --git a/packages/app-builder-lib/src/targets/MsiTarget.ts b/packages/app-builder-lib/src/targets/MsiTarget.ts
index 3f26fbc65bd..f33ed503053 100644
--- a/packages/app-builder-lib/src/targets/MsiTarget.ts
+++ b/packages/app-builder-lib/src/targets/MsiTarget.ts
@@ -86,7 +86,7 @@ export default class MsiTarget extends Target {
     await packager.info.emitMsiProjectCreated(projectFile)
 
     // noinspection SpellCheckingInspection
-    const vendorPath = await getBinFromUrl("wix", "4.0.0.5512.2", "/X5poahdCc3199Vt6AP7gluTlT1nxi9cbbHhZhCMEu+ngyP1LiBMn+oZX7QAZVaKeBMc2SjVp7fJqNLqsUnPNQ==")
+    const vendorPath = await getBinFromUrl("wix-4.0.0.5512.2", "wix-4.0.0.5512.2.7z", "/X5poahdCc3199Vt6AP7gluTlT1nxi9cbbHhZhCMEu+ngyP1LiBMn+oZX7QAZVaKeBMc2SjVp7fJqNLqsUnPNQ==")
 
     // noinspection SpellCheckingInspection
     const candleArgs = ["-arch", wixArch === Arch.ia32 ? "x86" : "x64", `-dappDir=${vm.toVmFile(appOutDir)}`].concat(this.getCommonWixArgs())
diff --git a/packages/app-builder-lib/src/targets/nsis/nsisUtil.ts b/packages/app-builder-lib/src/targets/nsis/nsisUtil.ts
index 4a7004fa887..f5773bbbaeb 100644
--- a/packages/app-builder-lib/src/targets/nsis/nsisUtil.ts
+++ b/packages/app-builder-lib/src/targets/nsis/nsisUtil.ts
@@ -33,8 +33,7 @@ export const NSIS_PATH = () => {
       }
     }
     // Warning: Don't use v3.0.4.2 - https://github.com/electron-userland/electron-builder/issues/6334
-    // noinspection SpellCheckingInspection
-    return getBinFromUrl("nsis", "3.0.4.1", "VKMiizYdmNdJOWpRGz4trl4lD++BvYP2irAXpMilheUP0pc93iKlWAoP843Vlraj8YG19CVn0j+dCo/hURz9+Q==")
+    return getBinFromUrl("nsis-3.0.4.1", "nsis-3.0.4.1.7z", "VKMiizYdmNdJOWpRGz4trl4lD++BvYP2irAXpMilheUP0pc93iKlWAoP843Vlraj8YG19CVn0j+dCo/hURz9+Q==")
   })
 }
 
@@ -44,7 +43,7 @@ export const NSIS_RESOURCES_PATH = () => {
       const { checksum, url, version } = options.customNsisResources
       return getBinFromCustomLoc("nsis-resources", version, url, checksum)
     }
-    return getBinFromUrl("nsis-resources", "3.4.1", "Dqd6g+2buwwvoG1Vyf6BHR1b+25QMmPcwZx40atOT57gH27rkjOei1L0JTldxZu4NFoEmW4kJgZ3DlSWVON3+Q==")
+    return getBinFromUrl("nsis-resources-3.4.1", "nsis-resources-3.4.1.7z", "Dqd6g+2buwwvoG1Vyf6BHR1b+25QMmPcwZx40atOT57gH27rkjOei1L0JTldxZu4NFoEmW4kJgZ3DlSWVON3+Q==")
   })
 }
 
diff --git a/packages/app-builder-lib/src/targets/tools.ts b/packages/app-builder-lib/src/targets/tools.ts
index 9a12ed5e955..59f4f89e38a 100644
--- a/packages/app-builder-lib/src/targets/tools.ts
+++ b/packages/app-builder-lib/src/targets/tools.ts
@@ -2,11 +2,13 @@ import * as path from "path"
 import { getBinFromUrl } from "../binDownload"
 
 export function getLinuxToolsPath() {
-  //noinspection SpellCheckingInspection
-  return getBinFromUrl("linux-tools", "mac-10.12.3", "SQ8fqIRVXuQVWnVgaMTDWyf2TLAJjJYw3tRSqQJECmgF6qdM7Kogfa6KD49RbGzzMYIFca9Uw3MdsxzOPRWcYw==")
+  return getBinFromUrl("linux-tools-mac-10.12.3", "linux-tools-mac-10.12.3.7z", "SQ8fqIRVXuQVWnVgaMTDWyf2TLAJjJYw3tRSqQJECmgF6qdM7Kogfa6KD49RbGzzMYIFca9Uw3MdsxzOPRWcYw==")
 }
 
 export async function getFpmPath() {
+  if (process.env.CUSTOM_FPM_PATH != null) {
+    return path.resolve(process.env.CUSTOM_FPM_PATH)
+  }
   const exec = "fpm"
   if (process.platform === "win32" || process.env.USE_SYSTEM_FPM === "true") {
     return exec
@@ -21,7 +23,15 @@ export async function getFpmPath() {
       checksum = "OnzvBdsHE5djcXcAT87rwbnZwS789ZAd2ehuIO42JWtBAHNzXKxV4o/24XFX5No4DJWGO2YSGQttW+zn7d/4rQ=="
       archSuffix = "-x86"
     }
-    return path.join(await getBinFromUrl("fpm", "1.9.3-2.3.1-linux" + archSuffix, checksum), exec)
+    const fileName = "fpm-1.9.3-2.3.1-linux" + archSuffix
+    return path.join(await getBinFromUrl(fileName, fileName + ".7z", checksum), exec)
   }
-  return path.join(await getBinFromUrl("fpm", "1.9.3-20150715-2.2.2-mac", "oXfq+0H2SbdrbMik07mYloAZ8uHrmf6IJk+Q3P1kwywuZnKTXSaaeZUJNlWoVpRDWNu537YxxpBQWuTcF+6xfw=="), exec)
+  return path.join(
+    await getBinFromUrl(
+      "fpm-1.9.3-20150715-2.2.2-mac",
+      "fpm-1.9.3-20150715-2.2.2-mac.7z",
+      "oXfq+0H2SbdrbMik07mYloAZ8uHrmf6IJk+Q3P1kwywuZnKTXSaaeZUJNlWoVpRDWNu537YxxpBQWuTcF+6xfw=="
+    ),
+    exec
+  )
 }
diff --git a/packages/builder-util/src/log.ts b/packages/builder-util/src/log.ts
index 4385813cbc7..9017a965dd6 100644
--- a/packages/builder-util/src/log.ts
+++ b/packages/builder-util/src/log.ts
@@ -25,7 +25,7 @@ export class Logger {
 
   constructor(protected readonly stream: WritableStream) {
     if (this.shouldDisableNonErrorLoggingVitest) {
-      this.log(`non-error logging is silenced during VITEST workfloww when DEBUG=electron-builder flag is not set`)
+      this.log(`non-error logging is silenced during VITEST workflow when DEBUG=electron-builder flag is not set`)
     }
   }
 
diff --git a/test/src/binDownloadTest.ts b/test/src/binDownloadTest.ts
index 58f0251d8f2..327017d18e3 100644
--- a/test/src/binDownloadTest.ts
+++ b/test/src/binDownloadTest.ts
@@ -1,29 +1,45 @@
 import { getBinFromUrl } from "app-builder-lib/out/binDownload"
 
 test("download binary from Github", async ({ expect }) => {
-  const bin = await getBinFromUrl("linux-tools", "mac-10.12.3", "SQ8fqIRVXuQVWnVgaMTDWyf2TLAJjJYw3tRSqQJECmgF6qdM7Kogfa6KD49RbGzzMYIFca9Uw3MdsxzOPRWcYw==")
+  const bin = await getBinFromUrl(
+    "linux-tools-mac-10.12.3",
+    "linux-tools-mac-10.12.3.7z",
+    "SQ8fqIRVXuQVWnVgaMTDWyf2TLAJjJYw3tRSqQJECmgF6qdM7Kogfa6KD49RbGzzMYIFca9Uw3MdsxzOPRWcYw=="
+  )
   expect(bin).toBeTruthy()
 })
 
 test("download binary from Mirror with custom dir", async ({ expect }) => {
   process.env.ELECTRON_BUILDER_BINARIES_MIRROR = "https://github.com/electron-userland/electron-builder-binaries/releases/download/"
   process.env.ELECTRON_BUILDER_BINARIES_CUSTOM_DIR = "linux-tools-mac-10.12.3"
-  const bin = await getBinFromUrl("linux-tools", "mac-10.12.3", "SQ8fqIRVXuQVWnVgaMTDWyf2TLAJjJYw3tRSqQJECmgF6qdM7Kogfa6KD49RbGzzMYIFca9Uw3MdsxzOPRWcYw==")
-  delete process.env.ELECTRON_BUILDER_BINARIES_MIRROR
+  const bin = await getBinFromUrl(
+    "linux-tools-mac-10.12.3",
+    "linux-tools-mac-10.12.3.7z",
+    "SQ8fqIRVXuQVWnVgaMTDWyf2TLAJjJYw3tRSqQJECmgF6qdM7Kogfa6KD49RbGzzMYIFca9Uw3MdsxzOPRWcYw=="
+  )
+    delete process.env.ELECTRON_BUILDER_BINARIES_MIRROR
   delete process.env.ELECTRON_BUILDER_BINARIES_CUSTOM_DIR
   expect(bin).toBeTruthy()
 })
 
 test("download binary from Mirror", async ({ expect }) => {
   process.env.ELECTRON_BUILDER_BINARIES_MIRROR = "https://github.com/electron-userland/electron-builder-binaries/releases/download/"
-  const bin = await getBinFromUrl("linux-tools", "mac-10.12.3", "SQ8fqIRVXuQVWnVgaMTDWyf2TLAJjJYw3tRSqQJECmgF6qdM7Kogfa6KD49RbGzzMYIFca9Uw3MdsxzOPRWcYw==")
-  delete process.env.ELECTRON_BUILDER_BINARIES_MIRROR
+  const bin = await getBinFromUrl(
+    "linux-tools-mac-10.12.3",
+    "linux-tools-mac-10.12.3.7z",
+    "SQ8fqIRVXuQVWnVgaMTDWyf2TLAJjJYw3tRSqQJECmgF6qdM7Kogfa6KD49RbGzzMYIFca9Uw3MdsxzOPRWcYw=="
+  )
+    delete process.env.ELECTRON_BUILDER_BINARIES_MIRROR
   expect(bin).toBeTruthy()
 })
 
 test("download binary from Mirror with Url override", async ({ expect }) => {
   process.env.ELECTRON_BUILDER_BINARIES_DOWNLOAD_OVERRIDE_URL = "https://github.com/electron-userland/electron-builder-binaries/releases/download/linux-tools-mac-10.12.3"
-  const bin = await getBinFromUrl("linux-tools", "mac-10.12.3", "SQ8fqIRVXuQVWnVgaMTDWyf2TLAJjJYw3tRSqQJECmgF6qdM7Kogfa6KD49RbGzzMYIFca9Uw3MdsxzOPRWcYw==")
-  delete process.env.ELECTRON_BUILDER_BINARIES_DOWNLOAD_OVERRIDE_URL
+  const bin = await getBinFromUrl(
+    "linux-tools-mac-10.12.3",
+    "linux-tools-mac-10.12.3.7z",
+    "SQ8fqIRVXuQVWnVgaMTDWyf2TLAJjJYw3tRSqQJECmgF6qdM7Kogfa6KD49RbGzzMYIFca9Uw3MdsxzOPRWcYw=="
+  )
+    delete process.env.ELECTRON_BUILDER_BINARIES_DOWNLOAD_OVERRIDE_URL
   expect(bin).toBeTruthy()
 })
diff --git a/test/src/linux/debTest.ts b/test/src/linux/debTest.ts
index 348858c925f..8e70dbbf4b4 100644
--- a/test/src/linux/debTest.ts
+++ b/test/src/linux/debTest.ts
@@ -2,9 +2,11 @@ import { Arch, Platform } from "electron-builder"
 import * as fs from "fs/promises"
 import { app, execShell, getTarExecutable } from "../helpers/packTester"
 
+const defaultDebTarget = Platform.LINUX.createTarget("deb", Arch.x64)
+
 test.ifNotWindows("deb", ({ expect }) =>
   app(expect, {
-    targets: Platform.LINUX.createTarget("deb"),
+    targets: defaultDebTarget,
   })
 )
 
@@ -12,7 +14,7 @@ test.ifNotWindows("arm", ({ expect }) => app(expect, { targets: Platform.LINUX.c
 
 test.ifNotWindows("custom depends", ({ expect }) =>
   app(expect, {
-    targets: Platform.LINUX.createTarget("deb"),
+    targets: defaultDebTarget,
     config: {
       linux: {
         executableName: "Boo",
@@ -36,7 +38,7 @@ test.ifNotWindows("custom depends", ({ expect }) =>
 
 test.ifNotWindows("top-level exec name", ({ expect }) =>
   app(expect, {
-    targets: Platform.LINUX.createTarget("deb"),
+    targets: defaultDebTarget,
     config: {
       productName: "foo",
       executableName: "Boo",
@@ -46,7 +48,7 @@ test.ifNotWindows("top-level exec name", ({ expect }) =>
 
 test.ifNotWindows("no quotes for safe exec name", ({ expect }) =>
   app(expect, {
-    targets: Platform.LINUX.createTarget("deb"),
+    targets: defaultDebTarget,
     config: {
       productName: "foo",
       linux: {
@@ -65,7 +67,7 @@ test.ifNotWindows("executable path in postinst script", ({ expect }) =>
   app(
     expect,
     {
-      targets: Platform.LINUX.createTarget("deb"),
+      targets: defaultDebTarget,
       config: {
         productName: "foo",
         linux: {
@@ -90,7 +92,7 @@ test.ifNotWindows("deb file associations", ({ expect }) =>
   app(
     expect,
     {
-      targets: Platform.LINUX.createTarget("deb"),
+      targets: defaultDebTarget,
       config: {
         fileAssociations: [
           {
diff --git a/test/src/updater/blackboxUpdateTest.ts b/test/src/updater/blackboxUpdateTest.ts
index 76d512303de..8e2bef4b277 100644
--- a/test/src/updater/blackboxUpdateTest.ts
+++ b/test/src/updater/blackboxUpdateTest.ts
@@ -308,7 +308,7 @@ async function runTestWithinServer(doTest: (rootDirectory: string, updateConfigP
   // Math.random() / Math.random() is used to avoid zero
   // Math.floor(((Math.random() / Math.random()) * 1000) % 65535) is used to avoid port number collision
   const port = 8000 + Math.floor(((Math.random() / Math.random()) * 1000) % 65535)
-  const serverBin = await getBinFromUrl("ran", "0.1.3", "imfA3LtT6umMM0BuQ29MgO3CJ9uleN5zRBi3sXzcTbMOeYZ6SQeN7eKr3kXZikKnVOIwbH+DDO43wkiR/qTdkg==")
+  const serverBin = await getBinFromUrl("ran-0.1.3", "ran-0.1.3.7z", "imfA3LtT6umMM0BuQ29MgO3CJ9uleN5zRBi3sXzcTbMOeYZ6SQeN7eKr3kXZikKnVOIwbH+DDO43wkiR/qTdkg==")
   const httpServerProcess = doSpawn(path.join(serverBin, process.platform, "ran"), [`-root=${root}`, `-port=${port}`, "-gzip=false", "-listdir=true"])
 
   const updateConfig = await writeUpdateConfig<GenericServerOptions>({
diff --git a/test/src/updater/differentialUpdateTest.ts b/test/src/updater/differentialUpdateTest.ts
index d6a3ef91a8c..1cf13b2aaf1 100644
--- a/test/src/updater/differentialUpdateTest.ts
+++ b/test/src/updater/differentialUpdateTest.ts
@@ -188,7 +188,7 @@ async function testBlockMap(expect: ExpectStatic, oldDir: string, newDir: string
   )
   const port = 8000 + (updaterClass.name.charCodeAt(0) as number) + Math.floor(Math.random() * 10000)
 
-  const serverBin = await getBinFromUrl("ran", "0.1.3", "imfA3LtT6umMM0BuQ29MgO3CJ9uleN5zRBi3sXzcTbMOeYZ6SQeN7eKr3kXZikKnVOIwbH+DDO43wkiR/qTdkg==")
+  const serverBin = await getBinFromUrl("ran-0.1.3", "ran-0.1.3.7z", "imfA3LtT6umMM0BuQ29MgO3CJ9uleN5zRBi3sXzcTbMOeYZ6SQeN7eKr3kXZikKnVOIwbH+DDO43wkiR/qTdkg==")
   const httpServerProcess = doSpawn(path.join(serverBin, process.platform, "ran"), [`-root=${newDir}`, `-port=${port}`, "-gzip=false", "-listdir=true"])
 
   // Mac uses electron's native autoUpdater to serve updates to, we mock here since electron API isn't available within jest runtime