I researched how to increase the disk space of Windows7 in a VirtualBox virtual environment, so here’s a memo.

I referenced the procedure from the site below. Thank you.

・Virtualboxのディスクサイズを大きくする - komagata

With Windows7, you can easily change partition settings from “Disk Management”, but for XP, it would be good to use the free software below.

・Windows上から利用できるフリーのパーティション操作ソフト「EASEUS Partition Master Home Edition」 - GIGAZINE

That’s all from the Gemba.