Can you help me?

[L3ml]

Hello, I am very new to programming, errors when executing commands:

PS D:\UBI\Bot\proof-of-humanity-discord-bot-master> npm run start:dev

proof-of-humanity-discord-bot@1.0.0 start:dev

"yarn" no se reconoce como un comando interno o externo, programa o archivo por lotes ejecutable. PS D:\UBI\Bot\proof-of-humanity-discord-bot-master> npm run build

proof-of-humanity-discord-bot@1.0.0 build yarn run frontend:build && yarn run backend:build

"yarn" no se reconoce como un comando interno o externo, programa o archivo por lotes ejecutable. PS D:\UBI\Bot\proof-of-humanity-discord-bot-master> npm run start:prod

proof-of-humanity-discord-bot@1.0.0 start:prod pm2 start ecosystem.config.js --env production

[PM2][WARN] Environment [production] is not defined in process file [PM2] Applying action restartProcessId on app [serve](ids: [ 0 ]) [PM2] serve ✓ [PM2][WARN] Applications API not running, starting... [PM2][ERROR] Error: Script not found: D:\UBI\Bot\proof-of-humanity-discord-bot-master\dist\index.js PS D:\UBI\Bot\proof-of-humanity-discord-bot-master>

Data DAL_FS_DB_PATH: https://api.thegraph.com/subgraphs/name/kleros/proof-of-humanity-mainnet DAL_FS_DB_NAME: subgraph/build/full-schema.json DAL_ETH_PROVIDER: https://mainnet.infura.io/v3/

thank you very much

[L3ml]

update:

PS D:\UBI\Bot\proof-of-humanity-discord-bot-master> npm install npm ERR! code ENOENT npm ERR! syscall spawn git npm ERR! path git npm ERR! errno -4058 npm ERR! enoent An unknown git error occurred npm ERR! enoent This is related to npm not being able to find a file. npm ERR! enoent