If you really want to have some fun in a safe environment, instal VirtualBox and then grab some Windows ISO images (Win 8, Win 7, Win 10) and import the appliances.

Super fast machines since they don't have any bloatware.

1. Download Oracle VM Virtualbox <install/launch>
https://www.virtualbox.org/wiki/Downloads


2. Download Microsoft WIN7 32BIT with IE8 image (3.7GB zipped .OVH file)

http://dev.modern.ie/tools/vms/


3. Read section to "Import Appliance" (.OVH into VM)
http://www.virtualbox.org/manual/ch01.html
http://www.virtualbox.org/manual/ch01.html#ovf
"1.14. Importing and exporting virtual machines" (.OVF file)
**Set RAM to minimum of 1028MB**

4. Additional installs/updates <every time you CLONE the master, this step will be repeated>
Startup Windows>Run Windows Updates (several times to get all current updates critical and optional OS related)
Install Firefox and Chrome
Install MS Office and PDF viewer
Install analysis toolbox (SysInternals, etc)

5. FINAL STEP... Clone "Master Image" (FULL CLONE)
http://www.virtualbox.org/manual/ch01.html#clone