Vultr has 16 data centers worldwide, the lowest price is $2.5/month, only provide a ipv6 address, you can add $1 to get a ipv4 address.
The default OS is Linux, Windows requires pay additional fees, but it support upload custom ISO, please make sure your ISO file has included virtio drivers if you upload a Windows iso.
Official website https://www.vultr.com/?ref=7158628
Vultr’s background is fully automated, you can install, replace the operating system, upgrade the configuration at any time.
Vultr VPS is charged on an hourly basis. If you don’t want it after using it for an hour, you can delete it directly, only deducting your hourly fee instead of one month.