1. How to install plugin? 

Step 1. Extract all files. 
Step 2. Upload all file in Magento Root Directory. After upload make sure the plugin path is in magento_root/app/code/NP/NowPayments
Step 3. Login to SSH command line of server -> go to magento 2 installed directory and run command "php bin/magento setup:upgrade"
step 4. Deploy static content and compile code command "php bin/magento setup:di:compile" and "php bin/magento setup"static-content:deploy -f"

2. How to setup pluging? 

Step 1. Login to Magento Admin go to System->Configuration->Payment Methods
Step 2. Select NowPayments method and configure the variables "merchant key,Merchant Secret, Order Status" 
Step 3. Save the configuration and thats it! now you should see nowpayments payment option in checkout. 
