Many people want to use downloaded extensions in their own way. As for me most of the extensions require me to correct Yii::import() instructions inside their source code. All these extensions are directory dependent. To avoid the situation described above, I suggest to implement pseudo-anonymous aliases:
The official Yii project site now supports OpenSearch. This means you can customize your browser's search box to enable direct search of the content in yiiframework.com. For example, by entering a Yii class name in the browser's search box, the corresponding class API page will be shown in the browser.
This article explains issues about installing XAMPP server package (Lite version) on Windows OS and configuring it for serving webapps written in Yii. Please note, that XAMPP is available for many more platforms and systems. I write about Windows edition as it was the only one tested by me.
Installing WAMP on XP was pretty easy; W7 is not so trivial. It's not difficult once you know, but it took me best part of a day to figure out and required gleaning various bits of information from around the web; this tutorial brings it all together in one place to (hopefully) make other peoples lives that bit easier. It does assume that you are reasonably happy configuring Apache, PHP, and MySQL and mainly deals with the W7 quirks.