bcrypt error

npm install bcrypt --save

> bcrypt@1.0.1 install C:\Users\Sarunas\Desktop\JavaScript-user-auth-express\S1V4\node_modules\bcrypt
> node-pre-gyp install --fallback-to-build

node-pre-gyp ERR! Tried to download: https://github.com/kelektiv/node.bcrypt.js/releases/download/v1.0.1/bcrypt_lib-v1.0.1-node-v48-win32-ia32.tar.gz
node-pre-gyp ERR! Pre-built binaries not found for bcrypt@1.0.1 and node@6.9.2 (node-v48 ABI) (falling back to source compile with node-gyp)
gyp ERR! configure error
gyp ERR! stack Error: Can't find Python executable "python", you can set the PYTHON env variable.
gyp ERR! stack     at failNoPython (C:\Users\Sarunas\node_modules\npm\node_modules\node-gyp\lib\configure.js:449:14)
gyp ERR! stack     at C:\Users\Sarunas\node_modules\npm\node_modules\node-gyp\lib\configure.js:404:11
gyp ERR! stack     at C:\Users\Sarunas\node_modules\npm\node_modules\graceful-fs\polyfills.js:284:29
gyp ERR! stack     at FSReqWrap.oncomplete (fs.js:123:15)
gyp ERR! System Windows_NT 6.3.9600
gyp ERR! command "C:\\Program Files\\nodejs\\node.exe" "C:\\Users\\Sarunas\\node_modules\\npm\\node_modules\\node-gyp\\bin\\node-gyp.js" "configure" "--fallback-to-build" "--module=C:\\Users\\Sarunas\\Desktop\\JavaScript-user-auth-express\\S1V4\\node_modules\\bcrypt\\lib\\binding\\bcrypt_lib.node" "--module_name=bcrypt_lib" "--module_path=C:\\Users\\Sarunas\\Desktop\\JavaScript-user-auth-express\\S1V4\\node_modules\\bcrypt\\lib\\binding"

gyp ERR! cwd C:\Users\Sarunas\Desktop\JavaScript-user-auth-express\S1V4\node_modules\bcrypt
gyp ERR! node -v v6.9.2
gyp ERR! node-gyp -v v3.4.0
gyp ERR! not ok
node-pre-gyp ERR! build error
node-pre-gyp ERR! stack Error: Failed to execute 'C:\Program Files\nodejs\node.exe C:\Users\Sarunas\node_modules\npm\node_modules\node-gyp\bin\node-gyp.js configure --fallback-to-build --module=C:\Users\Sarunas\Desktop\JavaScript-user-auth-express\S1V4\node_modules\bcrypt\lib\binding\bcrypt_lib.node --module_name=bcrypt_lib --module_path=C:\Users\Sarunas\Desktop\JavaScript-user-auth-express\S1V4\node_modules\bcrypt\lib\binding' (1)
node-pre-gyp ERR! stack     at ChildProcess.<anonymous> (C:\Users\Sarunas\Desktop\JavaScript-user-auth-express\S1V4\node_modules\node-pre-gyp\lib\util\compile.js:83:29)
node-pre-gyp ERR! stack     at emitTwo (events.js:106:13)
node-pre-gyp ERR! stack     at ChildProcess.emit (events.js:191:7)
node-pre-gyp ERR! stack     at maybeClose (internal/child_process.js:877:16)
node-pre-gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:226:5)
node-pre-gyp ERR! System Windows_NT 6.3.9600
node-pre-gyp ERR! command "C:\\Program Files\\nodejs\\node.exe" "C:\\Users\\Sarunas\\Desktop\\JavaScript-user-auth-express\\S1V4\\node_modules\\node-pre-gyp\\bin\\node-pre-gyp" "install" "--fallback-to-build"
node-pre-gyp ERR! cwd C:\Users\Sarunas\Desktop\JavaScript-user-auth-express\S1V4\node_modules\bcrypt
node-pre-gyp ERR! node -v v6.9.2
node-pre-gyp ERR! node-pre-gyp -v v0.6.30
node-pre-gyp ERR! not ok
Failed to execute 'C:\Program Files\nodejs\node.exe C:\Users\Sarunas\node_modules\npm\node_modules\node-gyp\bin\node-gyp.js configure --fallback-to-build --module=C:\Users\Sarunas\Desktop\JavaScript-user-auth-express\S1V4\node_modules\bcrypt\lib\binding\bcrypt_lib.node --module_name=bcrypt_lib --module_path=C:\Users\Sarunas\Desktop\JavaScript-user-auth-express\S1V4\node_modules\bcrypt\lib\binding' (1)
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@^1.0.0 (node_modules\chokidar\node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.0.15: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"ia32"})
npm ERR! Windows_NT 6.3.9600
npm ERR! argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "install" "bcrypt" "--save"
npm ERR! node v6.9.2
npm ERR! npm  v3.10.9
npm ERR! code ELIFECYCLE

npm ERR! bcrypt@1.0.1 install: `node-pre-gyp install --fallback-to-build`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the bcrypt@1.0.1 install script 'node-pre-gyp install --fallback-to-build'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the bcrypt package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     node-pre-gyp install --fallback-to-build
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs bcrypt
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!     npm owner ls bcrypt
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR!     C:\Users\Sarunas\Desktop\JavaScript-user-auth-express\S1V4\npm-debug.log

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