Can I delete the Acer bloatware from Windows 8?

Bruce bought an Acer computer with Windows 8 and it has a lot of bloatware. Can he delete most of the Acer apps without hurting the computer? Leo says yes, but Bruce will want to wait until he's installed the 8.1 update. Here's the link to the update: http://windows.microsoft.com/en-US/windows-8/upgrade-product-key-only