Chomebook cost is significantly lower than an entry level PC notebook but is a closed systems and can only run apps available on Google Play Store and Chrome Web Store.
On a Chomebook you cannot install nor execute a Windows application.
Made Network VPS series for Chromebooks were created specifically to cover this need: transform your Chromebook into a complete Windows desktop thru a VPN protected connection.
OpenVPN tunnel allows VPS network shares to be accessed by Chromebook so Microsoft Office documents can be viewed or edited by Chromebook built-in office apps.
VPS desktop can be accessed via Chrome browser or by RDP protocol oriented apps you can buy from Chrome Web Store.
Furthermore, on purchase form, buyers can opt to equip the VPS with a data partition which can be encrypted by BitLocker via to reach high data protection grade. Data partition is configured as network shared folder and, when unlocked, can be accessed by your Chromebook (thru OpenVPN tunnel) without restrictions.
VPS manual contains steps to configure OpenVPN tunnel, web desktop access and VPS network shares access.
Finally, the IP address of the VPS is shielded by NAT technology in order to prevent unwanted connections due to incorrect firewall configuration.
Price includes both on site daily backup and backup located on disaster recovery located in another European country. Backups are kept for 7 days.