# User & Pass auth
This guide provides key details and procedures for accessing Thordata's Datacenter Proxy service via **username/password** authentication.
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### Register ＆ Log in
Visit the [**Thordata website**](https://www.thordata.com/), complete account registration, and log in.
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### Purchase a Plan
Navigate within your dashboard to: **Proxies → Datacenter Proxies** **→ Pricing：**
* **IP Duration**: Select the validity period for your IPs (7 or 30 days).
* **IP Country**: Choose the country where your business operates for optimal performance.
* **IP Number**: Higher one-time purchases yield more cost-effective pricing per IP.
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### **Proxy List Management**
Navigate to **Proxies → Datacenter Proxies → Proxy List** to view all purchased IPs.
① **Search**: Filter IPs by entering *IP/Username/Password* or selecting *Region/Status*.
② **Edit Credentials**: Select IP(s) to modify login credentials using:
* Manual Setup
* Random Generation
* Global Default Credentials (system-preset unified account password for all proxy IP authentication)
③ **Renew**: For individual IPs, enter renewal duration (in weeks/months) to renew.
④ **Bulk Renewal**: Select multiple IPs and click **【Bulk Renewal】** to renew all at once.
⑤ **Auto-Renewal**: Enable by selecting IP(s); disable by deselecting (supports cycle selection).
⑥ **Copy**: Copy selected IP information in preferred format.
⑦ **Export**: Export selected IP data as TXT files in specified formats.
⑧ **Replace**: Available within 10 minutes of purchase or when IP status is interrupted.
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### Usage Statistics
Navigate to: **Proxies → Datacenter Proxies → Statistics.**Filter data by: Time Period、Identity Type、Region、Target Domain and Timezone.
