npm install error

C:\Users\gjj\Desktop\boilerplate-mern-stack-master>npm install bcryptjs --save npm ERR! code 1 npm ERR! path C:\Users\gjj\Desktop\boilerplate-mern-stack-master\node_modules\bcrypt npm ERR! command failed npm ERR! command C:\WINDOWS\system32\cmd.exe /d /s /c node-pre-gyp install --fallback-to-build npm ERR! Failed to execute 'C:\Program Files\nodejs\node.exe C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\bin\node-gyp.js configure --fallback-to-build --module=C:\Users\gjj\Desktop\boilerplate-mern-stack-master\node_modules\bcrypt\lib\binding\bcrypt_lib.node --module_name=bcrypt_lib --module_path=C:\Users\gjj\Desktop\boilerplate-mern-stack-master\node_modules\bcrypt\lib\binding --napi_version=7 --node_abi_napi=napi --napi_build_version=0 --node_napi_label=node-v88' (1) npm ERR! node-pre-gyp info it worked if it ends with ok npm ERR! node-pre-gyp info using node-pre-gyp@0.14.0 npm ERR! node-pre-gyp info using node@15.11.0 | win32 | x64 npm ERR! node-pre-gyp WARN Using needle for node-pre-gyp https download npm ERR! node-pre-gyp info check checked for "C:\Users\gjj\Desktop\boilerplate-mern-stack-master\node_modules\bcrypt\lib\binding\bcrypt_lib.node" (not found) npm ERR! node-pre-gyp http GET https://github.com/kelektiv/node.bcrypt.js/releases/download/v3.0.8/bcrypt_lib-v3.0.8-node-v88-win32-x64-unknown.tar.gz npm ERR! node-pre-gyp http 404 https://github.com/kelektiv/node.bcrypt.js/releases/download/v3.0.8/bcrypt_lib-v3.0.8-node-v88-win32-x64-unknown.tar.gz npm ERR! node-pre-gyp WARN Tried to download(404): https://github.com/kelektiv/node.bcrypt.js/releases/download/v3.0.8/bcrypt_lib-v3.0.8-node-v88-win32-x64-unknown.tar.gz npm ERR! node-pre-gyp WARN Pre-built binaries not found for bcrypt@3.0.8 and node@15.11.0 (node-v88 ABI, unknown) (falling back to source compile with node-gyp) npm ERR! node-pre-gyp http 404 status code downloading tarball https://github.com/kelektiv/node.bcrypt.js/releases/download/v3.0.8/bcrypt_lib-v3.0.8-node-v88-win32-x64-unknown.tar.gz npm ERR! gyp info it worked if it ends with ok npm ERR! gyp info using node-gyp@7.1.2 npm ERR! gyp info using node@15.11.0 | win32 | x64 npm ERR! gyp info ok npm ERR! gyp info it worked if it ends with ok npm ERR! gyp info using node-gyp@7.1.2 npm ERR! gyp info using node@15.11.0 | win32 | x64 npm ERR! gyp ERR! find Python npm ERR! gyp ERR! find Python Python is not set from command line or npm configuration npm ERR! gyp ERR! find Python Python is not set from environment variable PYTHON npm ERR! gyp ERR! find Python checking if "python3" can be used npm ERR! gyp ERR! find Python - "python3" is not in PATH or produced an error npm ERR! gyp ERR! find Python checking if "python" can be used npm ERR! gyp ERR! find Python - "python" is not in PATH or produced an error npm ERR! gyp ERR! find Python checking if "python2" can be used npm ERR! gyp ERR! find Python - "python2" is not in PATH or produced an error npm ERR! gyp ERR! find Python checking if Python is C:\Python37\python.exe npm ERR! gyp ERR! find Python - "C:\Python37\python.exe" could not be run npm ERR! gyp ERR! find Python checking if Python is C:\Python27\python.exe npm ERR! gyp ERR! find Python - "C:\Python27\python.exe" could not be run npm ERR! gyp ERR! find Python checking if the py launcher can be used to find Python npm ERR! gyp ERR! find Python - "py.exe" is not in PATH or produced an error npm ERR! gyp ERR! find Python npm ERR! gyp ERR! find Python ********************************************************** npm ERR! gyp ERR! find Python You need to install the latest version of Python. npm ERR! gyp ERR! find Python Node-gyp should be able to find and use Python. If not, npm ERR! gyp ERR! find Python you can try one of the following options: npm ERR! gyp ERR! find Python - Use the switch --python="C:\Path\To\python.exe" npm ERR! gyp ERR! find Python (accepted by both node-gyp and npm) npm ERR! gyp ERR! find Python - Set the environment variable PYTHON npm ERR! gyp ERR! find Python - Set the npm configuration variable python: npm ERR! gyp ERR! find Python npm config set python "C:\Path\To\python.exe" npm ERR! gyp ERR! find Python For more information consult the documentation at: npm ERR! gyp ERR! find Python https://github.com/nodejs/node-gyp#installation npm ERR! gyp ERR! find Python ********************************************************** npm ERR! gyp ERR! find Python npm ERR! gyp ERR! configure error npm ERR! gyp ERR! stack Error: Could not find any Python installation to use npm ERR! gyp ERR! stack at PythonFinder.fail (C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\lib\find-python.js:302:47) npm ERR! gyp ERR! stack at PythonFinder.runChecks (C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\lib\find-python.js:136:21) npm ERR! gyp ERR! stack at PythonFinder. (C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\lib\find-python.js:200:18) npm ERR! gyp ERR! stack at PythonFinder.execFileCallback (C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\lib\find-python.js:266:16) npm ERR! gyp ERR! stack at exithandler (node:child_process:333:5) npm ERR! gyp ERR! stack at ChildProcess.errorhandler (node:child_process:345:5) npm ERR! gyp ERR! stack at ChildProcess.emit (node:events:378:20) npm ERR! gyp ERR! stack at Process.ChildProcess._handle.onexit (node:internal/child_process:288:12) npm ERR! gyp ERR! stack at onErrorNT (node:internal/child_process:480:16) npm ERR! gyp ERR! stack at processTicksAndRejections (node:internal/process/task_queues:81:21) npm ERR! gyp ERR! System Windows_NT 10.0.19042 npm ERR! gyp ERR! command "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\node_modules\\node-gyp\\bin\\node-gyp.js" "configure" "--fallback-to-build" "--module=C:\\Users\\gjj\\Desktop\\boilerplate-mern-stack-master\\node_modules\\bcrypt\\lib\\binding\\bcrypt_lib.node" "--module_name=bcrypt_lib" "--module_path=C:\\Users\\gjj\\Desktop\\boilerplate-mern-stack-master\\node_modules\\bcrypt\\lib\\binding" "--napi_version=7" "--node_abi_napi=napi" "--napi_build_version=0" "--node_napi_label=node-v88" npm ERR! gyp ERR! cwd C:\Users\gjj\Desktop\boilerplate-mern-stack-master\node_modules\bcrypt npm ERR! gyp ERR! node -v v15.11.0 npm ERR! gyp ERR! node-gyp -v v7.1.2 npm ERR! gyp ERR! not ok npm ERR! node-pre-gyp ERR! build error npm ERR! node-pre-gyp ERR! stack Error: Failed to execute 'C:\Program Files\nodejs\node.exe C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\bin\node-gyp.js configure --fallback-to-build --module=C:\Users\gjj\Desktop\boilerplate-mern-stack-master\node_modules\bcrypt\lib\binding\bcrypt_lib.node --module_name=bcrypt_lib --module_path=C:\Users\gjj\Desktop\boilerplate-mern-stack-master\node_modules\bcrypt\lib\binding --napi_version=7 --node_abi_napi=napi --napi_build_version=0 --node_napi_label=node-v88' (1) npm ERR! node-pre-gyp ERR! stack at ChildProcess. (C:\Users\gjj\Desktop\boilerplate-mern-stack-master\node_modules\node-pre-gyp\lib\util\compile.js:83:29) npm ERR! node-pre-gyp ERR! stack at ChildProcess.emit (node:events:378:20) npm ERR! node-pre-gyp ERR! stack at maybeClose (node:internal/child_process:1067:16) npm ERR! node-pre-gyp ERR! stack at Process.ChildProcess._handle.onexit (node:internal/child_process:301:5) npm ERR! node-pre-gyp ERR! System Windows_NT 10.0.19042 npm ERR! node-pre-gyp ERR! command "C:\\Program Files\\nodejs\\node.exe" "C:\\Users\\gjj\\Desktop\\boilerplate-mern-stack-master\\node_modules\\node-pre-gyp\\bin\\node-pre-gyp" "install" "--fallback-to-build" npm ERR! node-pre-gyp ERR! cwd C:\Users\gjj\Desktop\boilerplate-mern-stack-master\node_modules\bcrypt npm ERR! node-pre-gyp ERR! node -v v15.11.0 npm ERR! node-pre-gyp ERR! node-pre-gyp -v v0.14.0 npm ERR! node-pre-gyp ERR! not ok npm ERR! A complete log of this run can be found in: npm ERR! C:\Users\gjj\AppData\Local\npm-cache\_logs\2021-03-25T09_06_34_937Z-debug.log npm install bcryptjs --save 명령어를 쳤는데도 이런 에러가 납니다.....