Update README.md

Author: funjoker

README.md

@@ -18,11 +18,19 @@ Using this is not recommended for playable versions, as it is probably slower th
 
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-<b>Overwatch Beta</b>
-1. Download an pre built app, on releases tab (or compile yourself with VS2022)
-2. Open app and select program code: "prob - Overwatch Beta" and region you want.
-3. Select only available build id that exists, must be like: `build-branch = 2_00_8_0`
-4. Wait untill encoding table is fetched and download list is prepared.
-5. Select language you want.
-6. Select destination folder to download files then click Start
-7. Wait for download complete and be happy with files because you cannot login since your account must be allowed to join in server 😂
+<b>Custom versions</b>
+1. Inside root folder of BlizzGet.exe create a folder according to the product you want to download (e.g. wow_classic)
+2. In this folder create a versions file
+3. Enter proper version data into this file e.g.
+   ```
+   Region!STRING:0|BuildConfig!HEX:16|CDNConfig!HEX:16|KeyRing!HEX:16|BuildId!DEC:4|VersionsName!String:0|ProductConfig!HEX:16
+   cn|f306dfcb7c5e3b3e55852b75eae3ea45|de98be126b25902d6a0e24867e515d20||60842|3.4.4.60842|fac7680539cd51bc0a791a88ade3da21
+   ```
+   
+   You can change region to whatever region you want to download from.
+   If you are from the US i recommend using `us`
+
+   Required configs can be taken from https://wago.tools/builds
+
+5. Start BlizzGet and check Custom build config (only then it reads the custom versions file) 
+6. Select build, tags and download to your destinated folder