When it comes to browser testing there are a whole lot of possible ways to go. One is to use a SaaS way, like browserstack or similar, to test in a multitude of browsers, another could be to use a couple of virtual machines on which you install different versions of browsers.
Microsoft (for example) provide virtual machine images for new and old versions of windows including different versions of browsers (IE/edge mainly I think), so that could be worth checking out!
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When it comes to browser testing there are a whole lot of possible ways to go. One is to use a SaaS way, like browserstack or similar, to test in a multitude of browsers, another could be to use a couple of virtual machines on which you install different versions of browsers.
Microsoft (for example) provide virtual machine images for new and old versions of windows including different versions of browsers (IE/edge mainly I think), so that could be worth checking out!