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【gulp-sass】がインストールできないので教えてください!

解決したいこと

vscodeにて自身のPC(windows)上に開発環境を作っているのですが、gulp-sassのインストールをしようとするとエラーが発生し困っています。
対処方法を教えて頂きたいです。

各バージョンは下記の通りです。
node v15.12.0
npm 7.6.3
gulp CLI version: 2.3.0
Local version: 4.0.2
├── node-gyp@6.0.1
└── node-sass@5.0.0
Python 2.7.18
Python 3.9.2

発生している問題・エラー

> npm i -D gulp-sass
npm ERR! code 1
npm ERR! path C:\Users\81901\Desktop\myp\node_modules\gulp-sass\node_modules\node-sass
npm ERR! command failed
npm ERR! command C:\windows\system32\cmd.exe /d /s /c node scripts/build.js
npm ERR! Building: C:\Program Files\nodejs\node.exe C:\Users\81901\Desktop\myp\node_modules\gulp-sass\node_modules\node-gyp\bin\node-gyp.js rebuild --verbose --libsass_ext= --libsass_cflags= --libsass_ldflags= --libsass_library=
npm ERR! ���̃\�����[�V�������̃v���W�F�N�g�� 1 �x�� 1 ���r���h���܂��B���s�r���h��L���ɂ���ɂ́A"/m" �X�C�b�`��lj����Ă��������B
npm ERR! 2021/03/22 12:24:51 �Ƀr���h���J�n���܂����B
npm ERR! MSBUILD : error MSB4132: �c�[�� �o�[�W���� "2.0" ���F������܂���B�g�p�\�ȃc�[�� �o�[�W������ "4.0" �ł��B
npm ERR! 
npm ERR! �r���h�Ɏ��s���܂����B
npm ERR!
npm ERR!   MSBUILD : error MSB4132: �c�[�� �o�[�W���� "2.0" ���F������܂���B�g�p�\�ȃc�[�� �o�[�W������ "4.0" �ł��B
npm ERR!
npm ERR!     0 �̌x��
npm ERR!     1 �G���[
npm ERR!
npm ERR! �o�ߎ��� 00:00:00.14
npm ERR! gyp info it worked if it ends with ok
npm ERR! gyp verb cli [
npm ERR! gyp verb cli   'C:\\Program Files\\nodejs\\node.exe',
npm ERR! gyp verb cli   'C:\\Users\\81901\\Desktop\\myp\\node_modules\\gulp-sass\\node_modules\\node-gyp\\bin\\node-gyp.js',
npm ERR! gyp verb cli   'rebuild',
npm ERR! gyp verb cli   '--verbose',
npm ERR! gyp verb cli   '--libsass_ext=',
npm ERR! gyp verb cli   '--libsass_cflags=',
npm ERR! gyp verb cli   '--libsass_ldflags=',
npm ERR! gyp verb cli   '--libsass_library='
npm ERR! gyp verb cli ]
npm ERR! gyp info using node-gyp@3.8.0
npm ERR! gyp info using node@15.12.0 | win32 | x64
npm ERR! gyp verb command rebuild []
npm ERR! gyp verb command clean []
npm ERR! gyp verb clean removing "build" directory
npm ERR! gyp verb command configure []
npm ERR! gyp verb check python checking for Python executable "python2" in the PATH
npm ERR! gyp verb `which` failed Error: not found: python2
npm ERR! gyp verb `which` failed     at getNotFoundError (C:\Users\81901\Desktop\myp\node_modules\which\which.js:13:12)
npm ERR! gyp verb `which` failed     at F (C:\Users\81901\Desktop\myp\node_modules\which\which.js:68:19)
npm ERR! gyp verb `which` failed     at E (C:\Users\81901\Desktop\myp\node_modules\which\which.js:80:29)
npm ERR! gyp verb `which` failed     at C:\Users\81901\Desktop\myp\node_modules\which\which.js:89:16
npm ERR! gyp verb `which` failed     at C:\Users\81901\Desktop\myp\node_modules\isexe\index.js:42:5
npm ERR! gyp verb `which` failed     at C:\Users\81901\Desktop\myp\node_modules\isexe\windows.js:36:5
npm ERR! gyp verb `which` failed     at FSReqCallback.oncomplete (node:fs:193:21)
npm ERR! gyp verb `which` failed  python2 Error: not found: python2
npm ERR! gyp verb `which` failed     at getNotFoundError (C:\Users\81901\Desktop\myp\node_modules\which\which.js:13:12)
npm ERR! gyp verb `which` failed     at F (C:\Users\81901\Desktop\myp\node_modules\which\which.js:68:19)
npm ERR! gyp verb `which` failed     at E (C:\Users\81901\Desktop\myp\node_modules\which\which.js:80:29)
npm ERR! gyp verb `which` failed     at C:\Users\81901\Desktop\myp\node_modules\which\which.js:89:16
npm ERR! gyp verb `which` failed     at C:\Users\81901\Desktop\myp\node_modules\isexe\index.js:42:5
npm ERR! gyp verb `which` failed     at C:\Users\81901\Desktop\myp\node_modules\isexe\windows.js:36:5
npm ERR! gyp verb `which` failed     at FSReqCallback.oncomplete (node:fs:193:21) {
npm ERR! gyp verb `which` failed   code: 'ENOENT'
npm ERR! gyp verb `which` failed }
npm ERR! gyp verb check python checking for Python executable "python" in the PATH
npm ERR! gyp verb `which` succeeded python C:\Python27\python.EXE
npm ERR! gyp verb check python version `C:\Python27\python.EXE -c "import sys; print "2.7.18
npm ERR! gyp verb check python version .%s.%s" % sys.version_info[:3];"` returned: %j
npm ERR! gyp verb get node dir no --target version specified, falling back to host node version: 15.12.0
npm ERR! gyp verb command install [ '15.12.0' ]
npm ERR! gyp verb install input version string "15.12.0"
npm ERR! gyp verb install installing version: 15.12.0
npm ERR! gyp verb install --ensure was passed, so won't reinstall if already installed
npm ERR! gyp verb install version is already installed, need to check "installVersion"
npm ERR! gyp verb got "installVersion" 9
npm ERR! gyp verb needs "installVersion" 9
npm ERR! gyp verb install version is good
npm ERR! gyp verb get node dir target node version installed: 15.12.0
npm ERR! gyp verb build dir attempting to create "build" dir: C:\Users\81901\Desktop\myp\node_modules\gulp-sass\node_modules\node-sass\build
npm ERR! gyp verb build dir "build" dir needed to be created? C:\Users\81901\Desktop\myp\node_modules\gulp-sass\node_modules\node-sass\build
npm ERR! gyp verb Not using VS2017: Could not use PowerShell to find VS2017
npm ERR! gyp verb build/config.gypi creating config file
npm ERR! gyp verb build/config.gypi writing out config file: C:\Users\81901\Desktop\myp\node_modules\gulp-sass\node_modules\node-sass\build\config.gypi
npm ERR! gyp verb config.gypi checking for gypi file: C:\Users\81901\Desktop\myp\node_modules\gulp-sass\node_modules\node-sass\config.gypi
npm ERR! gyp verb common.gypi checking for gypi file: C:\Users\81901\Desktop\myp\node_modules\gulp-sass\node_modules\node-sass\common.gypi
npm ERR! gyp verb gyp gyp format was not specified; forcing "msvs"
npm ERR! gyp info spawn C:\Python27\python.EXE
npm ERR! gyp info spawn args [
npm ERR! gyp info spawn args   'C:\\Users\\81901\\Desktop\\myp\\node_modules\\gulp-sass\\node_modules\\node-gyp\\gyp\\gyp_main.py',
npm ERR! gyp info spawn args   'binding.gyp',
npm ERR! gyp info spawn args   '-f',
npm ERR! gyp info spawn args   'msvs',
npm ERR! gyp info spawn args   '-G',
npm ERR! gyp info spawn args   'msvs_version=auto',
npm ERR! gyp info spawn args   '-I',
npm ERR! gyp info spawn args   'C:\\Users\\81901\\Desktop\\myp\\node_modules\\gulp-sass\\node_modules\\node-sass\\build\\config.gypi',
npm ERR! gyp info spawn args   '-I',
npm ERR! gyp info spawn args   'C:\\Users\\81901\\Desktop\\myp\\node_modules\\gulp-sass\\node_modules\\node-gyp\\addon.gypi',
npm ERR! gyp info spawn args   '-I',
npm ERR! gyp info spawn args   'C:\\Users\\81901\\.node-gyp\\15.12.0\\include\\node\\common.gypi',
npm ERR! gyp info spawn args   '-Dlibrary=shared_library',
npm ERR! gyp info spawn args   '-Dvisibility=default',
npm ERR! gyp info spawn args   '-Dnode_root_dir=C:\\Users\\81901\\.node-gyp\\15.12.0',
npm ERR! gyp info spawn args   '-Dnode_gyp_dir=C:\\Users\\81901\\Desktop\\myp\\node_modules\\gulp-sass\\node_modules\\node-gyp',
npm ERR! gyp info spawn args   '-Dnode_lib_file=C:\\Users\\81901\\.node-gyp\\15.12.0\\<(target_arch)\\node.lib',
npm ERR! gyp info spawn args   '-Dmodule_root_dir=C:\\Users\\81901\\Desktop\\myp\\node_modules\\gulp-sass\\node_modules\\node-sass',
npm ERR! gyp info spawn args   '-Dnode_engine=v8',
npm ERR! gyp info spawn args   '--depth=.',
npm ERR! gyp info spawn args   '--no-parallel',
npm ERR! gyp info spawn args   '--generator-output',
npm ERR! gyp info spawn args   'C:\\Users\\81901\\Desktop\\myp\\node_modules\\gulp-sass\\node_modules\\node-sass\\build',
npm ERR! gyp info spawn args   '-Goutput_dir=.'
npm ERR! gyp info spawn args ]
npm ERR! Warning: unrecognized setting VCCLCompilerTool/MultiProcessorCompilation
npm ERR! Warning: unrecognized setting VCCLCompilerTool/MultiProcessorCompilation
npm ERR! Warning: unrecognized setting VCCLCompilerTool/MultiProcessorCompilation
npm ERR! Warning: unrecognized setting VCCLCompilerTool/MultiProcessorCompilation
npm ERR! gyp verb command build []
npm ERR! gyp verb build type Release
npm ERR! gyp verb architecture x64
npm ERR! gyp verb node dev dir C:\Users\81901\.node-gyp\15.12.0
npm ERR! gyp verb found first Solution file build/binding.sln
npm ERR! gyp verb could not find "msbuild.exe" in PATH - finding location in registry
npm ERR! gyp info spawn C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
npm ERR! gyp info spawn args [
npm ERR! gyp info spawn args   'build/binding.sln',
npm ERR! gyp info spawn args   '/nologo',
npm ERR! gyp info spawn args   '/p:Configuration=Release;Platform=x64'
npm ERR! gyp info spawn args ]
npm ERR! gyp ERR! build error
npm ERR! gyp ERR! stack Error: `C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe` failed with exit code: 1
npm ERR! gyp ERR! stack     at ChildProcess.onExit (C:\Users\81901\Desktop\myp\node_modules\gulp-sass\node_modules\node-gyp\lib\build.js:262:23)
npm ERR! gyp ERR! stack     at ChildProcess.emit (node:events:369:20)
npm ERR! gyp ERR! stack     at Process.ChildProcess._handle.onexit (node:internal/child_process:290:12)
npm ERR! gyp ERR! System Windows_NT 10.0.19041
npm ERR! gyp ERR! command "C:\\Program Files\\nodejs\\node.exe" "C:\\Users\\81901\\Desktop\\myp\\node_modules\\gulp-sass\\node_modules\\node-gyp\\bin\\node-gyp.js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library="
npm ERR! gyp ERR! cwd C:\Users\81901\Desktop\myp\node_modules\gulp-sass\node_modules\node-sass
npm ERR! gyp ERR! node -v v15.12.0
npm ERR! gyp ERR! node-gyp -v v3.8.0
npm ERR! gyp ERR! not ok
npm ERR! Build failed with error code: 1

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\81901\AppData\Local\npm-cache\_logs\2021-03-22T03_24_51_530Z-debug.log

自分で試したこと

こちらで質問し回答頂きましたので、Pythonを入れましたがまだエラーが発生します。
更にエラーが文字化けするようになってしまいました。
対処方法をお教え頂きたいです。よろしくお願いします。

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