# Development Bucket To create a bucket for development that can be used by all origins we need to enable CORS for the bucket. First create the bucket and some access keys then download the `b2-windows.exe` tool from the website. First login using the keys: ```powershell b2 authorize-account ``` Next lets set the cors rules for the bucket: ```powershell $rules = @' [ { "corsRuleName": "allowall-s3", "allowedOrigins": ["*"], "allowedHeaders": ["*"], "allowedOperations": [ "s3_get", "s3_put", "s3_head", "s3_delete" ], "exposeHeaders": ["ETag", "x-amz-server-side-encryption", "x-amz-request-id"], "maxAgeSeconds": 3600 } ] '@ b2 update-bucket --cors-rules $rules ```