diff --git a/.changeset/dirty-dryers-lie.md b/.changeset/dirty-dryers-lie.md
new file mode 100644
index 0000000000..5cf36e9eae
--- /dev/null
+++ b/.changeset/dirty-dryers-lie.md
@@ -0,0 +1,5 @@
+---
+"@pnpm/plugin-commands-setup": patch
+---
+
+fix: make `pnpm setup` free of garbled characters.
diff --git a/packages/plugin-commands-setup/src/setupOnWindows.ts b/packages/plugin-commands-setup/src/setupOnWindows.ts
index 5b239083f5..80381d15e4 100644
--- a/packages/plugin-commands-setup/src/setupOnWindows.ts
+++ b/packages/plugin-commands-setup/src/setupOnWindows.ts
@@ -12,7 +12,8 @@ function findEnvValuesInRegistry (regEntries: string, envVarName: string): IEnvi
 }
 
 function setEnvVarInRegistry (envVarName: string, envVarValue: string) {
-  return execa('reg', ['add', REG_KEY, '/v', envVarName, '/t', 'REG_EXPAND_SZ', '/d', envVarValue, '/f'])
+  // `windowsHide` in `execa` is true by default, which will cause `chcp` to have no effect.
+  return execa('reg', ['add', REG_KEY, '/v', envVarName, '/t', 'REG_EXPAND_SZ', '/d', envVarValue, '/f'], { windowsHide: false })
 }
 
 function pathIncludesDir (pathValue: string, dir: string): boolean {
@@ -29,9 +30,21 @@ function pathIncludesDir (pathValue: string, dir: string): boolean {
 export async function setupWindowsEnvironmentPath (pnpmHomeDir: string, opts: { force: boolean }): Promise<string> {
   // Use `chcp` to make `reg` use utf8 encoding for output.
   // Otherwise, the non-ascii characters in the environment variables will become garbled characters.
-  const queryResult = await execa(`chcp 65001>nul && reg query ${REG_KEY}`, undefined, { shell: true })
+
+  const chcpResult = await execa('chcp')
+  const cpMatch = /\d+/.exec(chcpResult.stdout) ?? []
+  const cpBak = parseInt(cpMatch[0])
+  if (chcpResult.failed || cpBak === 0) {
+    return `exec chcp failed: ${cpBak}, ${chcpResult.stderr}`
+  }
+
+  await execa('chcp', ['65001'])
+
+  const queryResult = await execa('reg', ['query', REG_KEY], { windowsHide: false })
 
   if (queryResult.failed) {
+    await execa('chcp', [cpBak.toString()])
+
     return 'Win32 registry environment values could not be retrieved'
   }
 
@@ -45,6 +58,8 @@ export async function setupWindowsEnvironmentPath (pnpmHomeDir: string, opts: {
   if (homeValueMatch.length === 1 && !opts.force) {
     const currentHomeDir = homeValueMatch[0].groups.data
     if (currentHomeDir !== pnpmHomeDir) {
+      await execa('chcp', [cpBak.toString()])
+
       throw new PnpmError('DIFFERENT_HOME_DIR_IS_SET', `Currently 'PNPM_HOME' is set to '${currentHomeDir}'`, {
         hint: 'If you want to override the existing PNPM_HOME env variable, use the --force option',
       })
@@ -87,5 +102,7 @@ export async function setupWindowsEnvironmentPath (pnpmHomeDir: string, opts: {
     await execa('setx', ['PNPM_HOME', pnpmHomeDir])
   }
 
+  await execa('chcp', [cpBak.toString()])
+
   return logger.join('\n')
 }
diff --git a/packages/plugin-commands-setup/test/setupOnWindows/01.test.ts b/packages/plugin-commands-setup/test/setupOnWindows/01.test.ts
index d49d5b8587..f24e31d22b 100644
--- a/packages/plugin-commands-setup/test/setupOnWindows/01.test.ts
+++ b/packages/plugin-commands-setup/test/setupOnWindows/01.test.ts
@@ -26,7 +26,13 @@ afterAll(() => {
 const regKey = 'HKEY_CURRENT_USER\\Environment'
 
 test('Win32 registry environment values could not be retrieved', async () => {
-  execa['mockResolvedValue']({
+  execa['mockResolvedValueOnce']({
+    failed: false,
+    stdout: '活动代码页: 936',
+  }).mockResolvedValueOnce({
+    failed: false,
+    stdout: '',
+  }).mockResolvedValue({
     failed: true,
   })
 
@@ -34,6 +40,6 @@ test('Win32 registry environment values could not be retrieved', async () => {
     pnpmHomeDir: __dirname,
   })
 
-  expect(execa).toHaveBeenNthCalledWith(1, `chcp 65001>nul && reg query ${regKey}`, undefined, { shell: true })
+  expect(execa).toHaveBeenNthCalledWith(3, 'reg', ['query', regKey], { windowsHide: false })
   expect(output).toContain('Win32 registry environment values could not be retrieved')
 })
diff --git a/packages/plugin-commands-setup/test/setupOnWindows/02.test.ts b/packages/plugin-commands-setup/test/setupOnWindows/02.test.ts
index 88a68c3212..8b45a2c07c 100644
--- a/packages/plugin-commands-setup/test/setupOnWindows/02.test.ts
+++ b/packages/plugin-commands-setup/test/setupOnWindows/02.test.ts
@@ -27,6 +27,12 @@ const regKey = 'HKEY_CURRENT_USER\\Environment'
 
 test('Environment PATH is not configured correctly', async () => {
   execa['mockResolvedValueOnce']({
+    failed: false,
+    stdout: '活动代码页: 936',
+  }).mockResolvedValueOnce({
+    failed: false,
+    stdout: '',
+  }).mockResolvedValueOnce({
     failed: false,
     stdout: 'SOME KIND OF ERROR OR UNSUPPORTED RESPONSE FORMAT',
   }).mockResolvedValue({
@@ -37,6 +43,6 @@ test('Environment PATH is not configured correctly', async () => {
     pnpmHomeDir: __dirname,
   })
 
-  expect(execa).toHaveBeenNthCalledWith(1, `chcp 65001>nul && reg query ${regKey}`, undefined, { shell: true })
+  expect(execa).toHaveBeenNthCalledWith(3, 'reg', ['query', regKey], { windowsHide: false })
   expect(output).toContain('Current PATH is not set. No changes to this environment variable are applied')
 })
diff --git a/packages/plugin-commands-setup/test/setupOnWindows/03.test.ts b/packages/plugin-commands-setup/test/setupOnWindows/03.test.ts
index 59cc6b8051..f7f7b26e96 100644
--- a/packages/plugin-commands-setup/test/setupOnWindows/03.test.ts
+++ b/packages/plugin-commands-setup/test/setupOnWindows/03.test.ts
@@ -27,11 +27,17 @@ const regKey = 'HKEY_CURRENT_USER\\Environment'
 
 test('Environment PATH is empty', async () => {
   execa['mockResolvedValueOnce']({
+    failed: false,
+    stdout: '活动代码页: 936',
+  }).mockResolvedValueOnce({
+    failed: false,
+    stdout: '',
+  }).mockResolvedValueOnce({
     failed: false,
     stdout: `
 HKEY_CURRENT_USER\\Environment
     Path    REG_EXPAND_SZ    
-`,
+    `,
   }).mockResolvedValue({
     failed: false,
   })
@@ -40,6 +46,6 @@ HKEY_CURRENT_USER\\Environment
     pnpmHomeDir: __dirname,
   })
 
-  expect(execa).toHaveBeenNthCalledWith(1, `chcp 65001>nul && reg query ${regKey}`, undefined, { shell: true })
+  expect(execa).toHaveBeenNthCalledWith(3, 'reg', ['query', regKey], { windowsHide: false })
   expect(output).toContain('Current PATH is empty. No changes to this environment variable are applied')
 })
diff --git a/packages/plugin-commands-setup/test/setupOnWindows/04.test.ts b/packages/plugin-commands-setup/test/setupOnWindows/04.test.ts
index ffe83dbe95..af2bf81860 100644
--- a/packages/plugin-commands-setup/test/setupOnWindows/04.test.ts
+++ b/packages/plugin-commands-setup/test/setupOnWindows/04.test.ts
@@ -29,6 +29,12 @@ test('Successful first time installation', async () => {
   const currentPathInRegistry = '%USERPROFILE%\\AppData\\Local\\Microsoft\\WindowsApps;%USERPROFILE%\\.config\\etc;'
 
   execa['mockResolvedValueOnce']({
+    failed: false,
+    stdout: '活动代码页: 936',
+  }).mockResolvedValueOnce({
+    failed: false,
+    stdout: '',
+  }).mockResolvedValueOnce({
     failed: false,
     stdout: `
 HKEY_CURRENT_USER\\Environment
@@ -49,10 +55,10 @@ HKEY_CURRENT_USER\\Environment
     pnpmHomeDir: __dirname,
   })
 
-  expect(execa).toHaveBeenNthCalledWith(1, `chcp 65001>nul && reg query ${regKey}`, undefined, { shell: true })
-  expect(execa).toHaveBeenNthCalledWith(2, 'reg', ['add', regKey, '/v', 'PNPM_HOME', '/t', 'REG_EXPAND_SZ', '/d', __dirname, '/f'])
-  expect(execa).toHaveBeenNthCalledWith(3, 'reg', ['add', regKey, '/v', 'Path', '/t', 'REG_EXPAND_SZ', '/d', `${__dirname};${currentPathInRegistry}`, '/f'])
-  expect(execa).toHaveBeenNthCalledWith(4, 'setx', ['PNPM_HOME', __dirname])
+  expect(execa).toHaveBeenNthCalledWith(3, 'reg', ['query', regKey], { windowsHide: false })
+  expect(execa).toHaveBeenNthCalledWith(4, 'reg', ['add', regKey, '/v', 'PNPM_HOME', '/t', 'REG_EXPAND_SZ', '/d', __dirname, '/f'], { windowsHide: false })
+  expect(execa).toHaveBeenNthCalledWith(5, 'reg', ['add', regKey, '/v', 'Path', '/t', 'REG_EXPAND_SZ', '/d', `${__dirname};${currentPathInRegistry}`, '/f'], { windowsHide: false })
+  expect(execa).toHaveBeenNthCalledWith(6, 'setx', ['PNPM_HOME', __dirname])
   expect(output).toContain(`Setting 'PNPM_HOME' to value '${__dirname}`)
   expect(output).toContain('Updating PATH')
   expect(output).toContain('PNPM_HOME ENV VAR SET')
diff --git a/packages/plugin-commands-setup/test/setupOnWindows/05.test.ts b/packages/plugin-commands-setup/test/setupOnWindows/05.test.ts
index 079cc5378b..6e0b137fec 100644
--- a/packages/plugin-commands-setup/test/setupOnWindows/05.test.ts
+++ b/packages/plugin-commands-setup/test/setupOnWindows/05.test.ts
@@ -29,6 +29,12 @@ test('PNPM_HOME is already set, but path is updated', async () => {
   const currentPathInRegistry = '%USERPROFILE%\\AppData\\Local\\Microsoft\\WindowsApps;%USERPROFILE%\\.config\\etc;'
   const pnpmHomeDir = '.pnpm\\home'
   execa['mockResolvedValueOnce']({
+    failed: false,
+    stdout: '活动代码页: 936',
+  }).mockResolvedValueOnce({
+    failed: false,
+    stdout: '',
+  }).mockResolvedValueOnce({
     failed: false,
     stdout: `
 HKEY_CURRENT_USER\\Environment
@@ -45,9 +51,9 @@ HKEY_CURRENT_USER\\Environment
 
   const output = await setup.handler({ pnpmHomeDir })
 
-  expect(execa).toHaveBeenNthCalledWith(1, `chcp 65001>nul && reg query ${regKey}`, undefined, { shell: true })
-  expect(execa).toHaveBeenNthCalledWith(2, 'reg', ['add', regKey, '/v', 'Path', '/t', 'REG_EXPAND_SZ', '/d', `${'.pnpm\\home'};${currentPathInRegistry}`, '/f'])
-  expect(execa).toHaveBeenNthCalledWith(3, 'setx', ['PNPM_HOME', '.pnpm\\home'])
+  expect(execa).toHaveBeenNthCalledWith(3, 'reg', ['query', regKey], { windowsHide: false })
+  expect(execa).toHaveBeenNthCalledWith(4, 'reg', ['add', regKey, '/v', 'Path', '/t', 'REG_EXPAND_SZ', '/d', `${'.pnpm\\home'};${currentPathInRegistry}`, '/f'], { windowsHide: false })
+  expect(execa).toHaveBeenNthCalledWith(5, 'setx', ['PNPM_HOME', '.pnpm\\home'])
   expect(output).toContain('Updating PATH')
   expect(output).toContain('PATH UPDATED')
 })
diff --git a/packages/plugin-commands-setup/test/setupOnWindows/06.test.ts b/packages/plugin-commands-setup/test/setupOnWindows/06.test.ts
index e4b3a0889c..27b8d719ff 100644
--- a/packages/plugin-commands-setup/test/setupOnWindows/06.test.ts
+++ b/packages/plugin-commands-setup/test/setupOnWindows/06.test.ts
@@ -27,6 +27,12 @@ const regKey = 'HKEY_CURRENT_USER\\Environment'
 
 test('setup throws an error if PNPM_HOME is already set to a different directory', async () => {
   execa['mockResolvedValueOnce']({
+    failed: false,
+    stdout: '活动代码页: 936',
+  }).mockResolvedValueOnce({
+    failed: false,
+    stdout: '',
+  }).mockResolvedValueOnce({
     failed: false,
     stdout: `
 HKEY_CURRENT_USER\\Environment
@@ -47,6 +53,12 @@ HKEY_CURRENT_USER\\Environment
 
 test('setup overrides PNPM_HOME, when setup is forced', async () => {
   execa['mockResolvedValueOnce']({
+    failed: false,
+    stdout: '活动代码页: 936',
+  }).mockResolvedValueOnce({
+    failed: false,
+    stdout: '',
+  }).mockResolvedValueOnce({
     failed: false,
     stdout: `
 HKEY_CURRENT_USER\\Environment
@@ -64,6 +76,6 @@ HKEY_CURRENT_USER\\Environment
     pnpmHomeDir,
   })
 
-  expect(execa).toHaveBeenNthCalledWith(1, `chcp 65001>nul && reg query ${regKey}`, undefined, { shell: true })
+  expect(execa).toHaveBeenNthCalledWith(3, 'reg', ['query', regKey], { windowsHide: false })
   expect(output).toContain(`Setting 'PNPM_HOME' to value '${pnpmHomeDir}'`)
 })
diff --git a/packages/plugin-commands-setup/test/setupOnWindows/07.test.ts b/packages/plugin-commands-setup/test/setupOnWindows/07.test.ts
index 1f52e9eae0..dbfb27cdd4 100644
--- a/packages/plugin-commands-setup/test/setupOnWindows/07.test.ts
+++ b/packages/plugin-commands-setup/test/setupOnWindows/07.test.ts
@@ -29,6 +29,12 @@ test('Failure to install', async () => {
   const currentPathInRegistry = '%USERPROFILE%\\AppData\\Local\\Microsoft\\WindowsApps;%USERPROFILE%\\.config\\etc;'
 
   execa['mockResolvedValueOnce']({
+    failed: false,
+    stdout: '活动代码页: 936',
+  }).mockResolvedValueOnce({
+    failed: false,
+    stdout: '',
+  }).mockResolvedValueOnce({
     failed: false,
     stdout: `
 HKEY_CURRENT_USER\\Environment
@@ -49,11 +55,11 @@ HKEY_CURRENT_USER\\Environment
     pnpmHomeDir: __dirname,
   })
 
-  expect(execa).toHaveBeenNthCalledWith(1, `chcp 65001>nul && reg query ${regKey}`, undefined, { shell: true })
-  expect(execa).toHaveBeenNthCalledWith(2, 'reg', ['add', regKey, '/v', 'PNPM_HOME', '/t', 'REG_EXPAND_SZ', '/d', __dirname, '/f'])
-  expect(execa).toHaveBeenNthCalledWith(3, 'reg', ['add', regKey, '/v', 'Path', '/t', 'REG_EXPAND_SZ', '/d', `${__dirname};${currentPathInRegistry}`, '/f'])
+  expect(execa).toHaveBeenNthCalledWith(3, 'reg', ['query', regKey], { windowsHide: false })
+  expect(execa).toHaveBeenNthCalledWith(4, 'reg', ['add', regKey, '/v', 'PNPM_HOME', '/t', 'REG_EXPAND_SZ', '/d', __dirname, '/f'], { windowsHide: false })
+  expect(execa).toHaveBeenNthCalledWith(5, 'reg', ['add', regKey, '/v', 'Path', '/t', 'REG_EXPAND_SZ', '/d', `${__dirname};${currentPathInRegistry}`, '/f'], { windowsHide: false })
   expect(output).toContain(`Setting 'PNPM_HOME' to value '${__dirname}`)
   expect(output).toContain('FAILED TO SET PNPM_HOME')
   expect(output).toContain('Updating PATH')
   expect(output).toContain('FAILED TO UPDATE PATH')
-})
\ No newline at end of file
+})