System requirements:

• 2.4 GHz CPU or faster (multi-core recommended)
• Windows XP, Vista, 7, 8 or 10
• Graphics card with Pixel Shader model 2.0 support

Required software:

• Microsoft .Net Framework 3.5
• DirectX 9.0 Runtime

Links:

• Official thread at ZDoom.org
• Unofficial thread at iddqd.ru (in russian)
• Git builds at DRDTeam.org

More detailed info can be found in the editor documentation (Refmanual.chm)