64-bit mode with Source SDK: Difference between revisions
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Deprecated:The info below is most likely outdated as Valve no longer provides a 64-bit build of and Half-Life 2 and the Source SDK. This page will remain for archival purposes only.
Third-party Source games however, may have 64-bit support, or Source 2 which fully support 64-bit, but it is unknown if this issue also applies to them.
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{{modernDeprecated|The info below is most likely outdated as Valve no longer provides a 64-bit build of and Half-Life 2 and the Source SDK. This page will remain for archival purposes only.<br> Third-party Source games however, may have 64-bit support, or Source 2 which fully support 64-bit, but it is unknown if this issue also applies to them.}} | {{modernDeprecated|The info below is most likely outdated as Valve no longer provides a 64-bit build of and Half-Life 2 and the Source SDK. This page will remain for archival purposes only.<br> Third-party Source games however, may have 64-bit support, or Source 2 which fully support 64-bit, but it is unknown if this issue also applies to them.}} | ||
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This means that if you run a game through Hammer, you'll also need to launch that game with the <code>-32bit</code> command line parameter as well. The same is true running a game from a batch file, command line, etc. | This means that if you run a game through Hammer, you'll also need to launch that game with the <code>-32bit</code> command line parameter as well. The same is true running a game from a batch file, command line, etc. | ||
Revision as of 08:36, 12 January 2024
Deprecated:The info below is most likely outdated as Valve no longer provides a 64-bit build of and Half-Life 2 and the Source SDK. This page will remain for archival purposes only.Third-party Source games however, may have 64-bit support, or Source 2 which fully support 64-bit, but it is unknown if this issue also applies to them.
The current Source SDK release has issues starting up on systems running the Source engine in 64-bit mode with the 64-bit version of Windows XP.
To correct the problem:
- In the Steam Games window, right-click on Half-Life 2 (or any installed Valve game you want to run) and select the Properties option.
- Then select Set launch options... and add the line
-32bitto the edit box. - Close the dialog and launch the game you just edited (ie. Half-Life 2). When it has successfully started up, close the game.
You should now be able to run the SDK on your 64-bit OS. Note, however, that if you run any of your Valve games without the -32bit option, your SDK will go back to being incompatible and you'll need to repeat this process.
This means that if you run a game through Hammer, you'll also need to launch that game with the -32bit command line parameter as well. The same is true running a game from a batch file, command line, etc.