Tubeless questions

Hi, I'm going to try going tubeless but am unsure about what is needed. First off is the rims, they look like this https://photos.app.goo.gl/cXJCRXZgfEBbEVim1 and seem to have tubeless rim tape meaning I won't have to buy any? Then there is the tires. They are maxxis high roller 26x2.4 and aren't specifically tubeless ready. Will they just be harder to do or are they incompatible? Lastly is the valves. Can I just cut out a valve from an old tube or do I need tubeless specific valves? Appreciate any help, thanks.
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The tyres will be fine with sealant.
You need proper valves or Google 'ghetto tubeless'.
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I found it to be quite easy but my wheels are tubeless ready and no need for any rim tape.
I tried cutting a valve and the seal just was nowhere near as good as the proper stans ones, which are ridiculously priced for what they are, but very effective in my experience.
2011 Specialized Hardrock Sport Disc (son #3s)
2013 Decathlon Triban 3 (red) (mine)
2019 Hoy Bonaly 26" Disc (son #2s)
2018 Voodoo Bizango (mine)
2018 Voodoo Maji (wife's)