Most of the VPN experience on Windows comes down to three things: whether the route type is right, whether the system proxy and split-tunneling rules are set correctly, and whether the client is up before you start using the network. This guide is not a list of apps — it takes verifiable practices one at a time: which path the traffic takes, how it gets split, and whether a given app works with it.
Route Types First: Dedicated lines, Relay and Direct
In a Windows client's route list you will usually see a route type next to the country and city. That label is worth checking before the country: it decides which path your traffic takes, and whether speeds drop at peak hours.
IEPL dedicated lines run over carrier-grade international Ethernet private lines: traffic goes from the entry point straight to the overseas exit instead of sharing the public international gateway, so jitter stays low and bandwidth stays stable. They cost the most and suit anything that cannot drop — video calls, remote desktop, live streaming.
Relay is the middle option: there is a relay entry point, and a relay data center forwards traffic on to the overseas exit. Quality depends on that data center's upstream routes — done well it comes close to a dedicated line; done averagely it is an optimized public path.
Direct is the simplest: the client connects straight to an overseas node. It costs the least, and speeds drop and packets get lost when the international gateway congests at peak hours — good as a backup route or for quick lookups.
| Route type | Traffic path | Peak-hour performance | Best for |
|---|---|---|---|
| IEPL dedicated line | Dedicated entry line straight to the overseas exit, skipping the public international gateway | Low jitter, stable bandwidth | Video calls, remote desktop, live streaming |
| Relay | Relay entry point forwards traffic to the overseas exit | Depends on the relay data center; usually better than direct | Everyday browsing, streaming, cloud drives |
| Direct | Client connects straight to an overseas node | Clearly affected by international gateway congestion | Backup route, quick lookups |
You can pick routes in reverse order: cover everyday use with direct and relay first, and save dedicated lines for the meetings and remote sessions that truly cannot drop. Once the 250+ routes are grouped by type, there are really only three groups left to compare.
System Proxy and Split Tunneling: Get the Traffic Split Right
Windows has three ways to take over traffic. Understand the differences before writing any rules.
- System proxy: the client rewrites the proxy settings in Internet Options, and browsers plus most software that honors the system proxy follow along. It is easy to configure, but some games, UWP apps and command-line tools ignore it.
- TUN / virtual adapter: the client creates a virtual network adapter and takes over IP-layer traffic, so programs that ignore the system proxy still enter the tunnel. Compatibility is the best of the three, but split tunneling must be configured properly, or local sites take the long way round too.
- Process-level split tunneling: decide per executable whether traffic goes through the proxy — handy when only a few apps should use international routes.
Global mode and rule-based split tunneling are another layer of choice. Global mode pushes all traffic into the tunnel: the least configuration, at the cost of local sites detouring overseas and back, which makes video and downloads slower. Rule-based split tunneling matches by domain, IP range and process: local sites go direct, international sites go through the proxy, and ready-made rule sets cover most major domains.
Split tunneling also has to handle DNS. If a proxied domain is still resolved by the local ISP, the answer may point at a local CDN node and the connection leaves the tunnel; and if the lookup itself goes outside the tunnel, that is the classic DNS leak. The fix: let DNS inside the tunnel handle proxied domains, while direct domains keep using local DNS. Verification is easy — open a DNS leak test page and check where the resolvers it lists belong. If you are visiting a proxied domain but the resolver shown is your local ISP, the lookup is not going through the tunnel.
More split-tunneling rules is not better. Stacking too many rule sets slows the first lookup and they easily override each other. Keep one main rule set and add the domains that must go direct — banking, intranet OA, company systems — to a whitelist; that is easier to maintain than five or six rule sets.
Auto-Start: Three Steps to Start With the System
Auto-start is more than a toggle; it has two layers: the client must be launched when the system boots, and the connection must be up before you start using the network.
- Turn on “Launch at startup” and “Connect automatically” in the client settings. Most Windows clients put both under General or Connection.
- Decide how it starts. Clients registered as a system service or scheduled task can connect before the user logs in; clients that only add a startup entry connect after login completes. On a company machine with domain policies, the scheduled-task route is more reliable.
- Verify with a reboot. Check the connection state on the tray icon, open Internet Options to confirm the system proxy points at the local port, then visit a proxied site to confirm the link works.
Two common snags. First, two proxy clients installed at once: whichever starts later resets the system proxy to its own port, and the symptom is “connected but pages will not open” — check Internet Options → Connections → LAN settings and see whether the proxy address and port belong to the current client. Second, security software blocks the startup entry: the tray icon is there but no connection is established — add the client to the trusted list and reboot.
Game and Office App Compatibility Compared
The same subscription behaves very differently across apps, and the reason is usually the transport layer: TCP or UDP, whether the app reads the system proxy, and whether it validates the exit IP.
| Scenario | Suggested setup | Watch out for |
|---|---|---|
| Real-time competitive games | TUN mode + IEPL dedicated line | Confirm the node forwards UDP; some anti-cheat components check for virtual adapters, so test in single-player first |
| Video conferencing | System proxy or TUN + dedicated line | Meeting apps prefer UDP and fall back to TCP when the node does not support it, which hits video and audio quality first |
| Remote desktop / SSH | TUN + dedicated line | Needs a long-lived connection; turn off adapter power saving so it is not suspended when idle |
| Cloud drives and large downloads | Relay or direct | High bandwidth use — avoid peak hours; multi-threaded downloads are more sensitive to packet loss |
| Banking, USB security keys, intranet OA | Split tunneling, direct | These systems often validate the exit IP and certificates; adding them to the direct whitelist is the simplest fix |
Protocol also affects compatibility. Shadowsocks, VMess, Trojan and VLESS mostly ride on TCP or WebSocket and get through more easily; Hysteria2 and TUIC are built on QUIC and travel over UDP, so they win on speed when the network is good and fail to connect on networks that restrict UDP. A subscription usually carries several protocols, so the client must recognize them — if a connection fails, switch protocol before switching node.
Subscription Import and Client Differences
A subscription link is a URL with credentials in it; once imported, the client pulls the node list automatically. It is a three-step process: copy the subscription address, paste it into the client's subscription page, hit update. After that, switching nodes and protocols happens inside the client — no re-import needed.
Windows clients fall into two broad camps: GUI clients, where subscription, split tunneling and auto-start all live in the interface; and a core plus front end, where the core decides which protocols are supported and the front end only handles configuration. Protocol support depends on the core version — if a subscription offers Hysteria2 or TUIC and the client cannot connect, the core is usually too old, and upgrading it is more direct than switching nodes.
A subscription link is a credential: anyone who has it can spend your traffic. Do not paste the subscription address into group chats or post it in screenshots, and do not route it through a short link; when you change devices, import it again on the new device rather than forwarding the link to a third party.
Choose a Plan by Usage
Plans come in three tiers by traffic: ¥9.9/month for 60GB, ¥18/month for 250GB, and ¥28/month for 500GB. Traffic resets monthly on your activation date, and upgrading mid-cycle converts the price difference into remaining days. If your usage swings a lot, take a data pack instead: ¥158/300GB, ¥358/1000GB, ¥658/3000GB — use them until they run out, they do not expire.
Concurrent devices are unlimited, so several Windows machines at home can share one subscription; payment supports Alipay, WeChat and USDT; registration needs only a username and password, no email address. Paid plans can be refunded in full, no questions asked, within 30 days of the first payment.
A Checklist by Scenario
Everything above, compressed into a list you can tick off — then come back and compare routes and plans.
- ✅ Open the client and check the route type first: IEPL dedicated lines for meetings and remote desktop, relay for everyday browsing, direct as backup.
- ✅ In the split-tunneling rules, set local sites, intranet addresses, banking and OA domains to direct, and international sites to go through the proxy.
- ✅ Make sure proxied domains are resolved by DNS inside the tunnel, and use a leak test page to confirm which resolvers are answering.
- ✅ Turn on both “Launch at startup” and “Connect automatically”, then after a reboot verify in three steps: tray status, system proxy, actual browsing.
- ✅ For scenarios that need UDP (meetings, games), first confirm the node forwards UDP, then decide between Hysteria2, TUIC and TCP-based protocols.
- ✅ Keep the subscription link only on your own devices; re-import on a new device instead of forwarding it.
- ❌ Running two proxy clients at once and letting the later one rewrite the system proxy.
- ❌ Leaving global mode on all the time, so local sites detour overseas and video and downloads get slower.
- ❌ Concluding the service is down because one route fails, without trying another protocol or route type.
Bottom line: route selection on Windows starts with the scenario — meetings and remote sessions that cannot drop go on IEPL dedicated lines, everyday browsing on relay, direct as backup; for takeover, prefer TUN mode, then add a lean split-tunneling rule set and in-tunnel DNS; for auto-start, verify both the startup entry and automatic connection. Once these three are in place, the differences between routes show up for real, and the plan you pick will be the right one.